831679856

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 2029632000

約数和(自身を除く): 1197952144

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 43, 56, 61, 76, 86, 112, 122, 133, 149, 152, 172, 244, 266, 298, 301, 304, 344, 427, 488, 532, 596, 602, 688, 817, 854, 976, 1043, 1064, 1159, 1192, 1204, 1634, 1708, 2086, 2128, 2318, 2384, 2408, 2623, 2831, 3268, 3416, 4172, 4636, 4816, 5246, 5662, 5719, 6407, 6536, 6832, 8113, 8344, 9089, 9272, 10492, 11324, 11438, 12814, 13072, 16226, 16688, 18178, 18361, 18544, 19817, 20984, 22648, 22876, 25628, 32452, 36356, 36722, 39634, 41968, 44849, 45296, 45752, 49837, 51256, 63623, 64904, 72712, 73444, 79268, 89698, 91504, 99674, 102512, 121733, 127246, 129808, 145424, 146888, 158536, 172691, 179396, 199348, 243466, 254492, 293776, 317072, 345382, 348859, 358792, 390827, 398696, 486932, 508984, 690764, 697718, 717584, 781654, 797392, 852131, 973864, 1017968, 1208837, 1381528, 1395436, 1563308, 1704262, 1947728, 2417674, 2735789, 2763056, 2790872, 3126616, 3408524, 4835348, 5471578, 5581744, 6253232, 6817048, 7425713, 9670696, 10943156, 13634096, 14851426, 19341392, 21886312, 29702852, 43772624, 51979991, 59405704, 103959982, 118811408, 207919964, 415839928, 831679856]

約数ペア:

[(1, 831679856), (2, 415839928), (4, 207919964), (7, 118811408), (8, 103959982), (14, 59405704), (16, 51979991), (19, 43772624), (28, 29702852), (38, 21886312), (43, 19341392), (56, 14851426), (61, 13634096), (76, 10943156), (86, 9670696), (112, 7425713), (122, 6817048), (133, 6253232), (149, 5581744), (152, 5471578), (172, 4835348), (244, 3408524), (266, 3126616), (298, 2790872), (301, 2763056), (304, 2735789), (344, 2417674), (427, 1947728), (488, 1704262), (532, 1563308), (596, 1395436), (602, 1381528), (688, 1208837), (817, 1017968), (854, 973864), (976, 852131), (1043, 797392), (1064, 781654), (1159, 717584), (1192, 697718), (1204, 690764), (1634, 508984), (1708, 486932), (2086, 398696), (2128, 390827), (2318, 358792), (2384, 348859), (2408, 345382), (2623, 317072), (2831, 293776), (3268, 254492), (3416, 243466), (4172, 199348), (4636, 179396), (4816, 172691), (5246, 158536), (5662, 146888), (5719, 145424), (6407, 129808), (6536, 127246), (6832, 121733), (8113, 102512), (8344, 99674), (9089, 91504), (9272, 89698), (10492, 79268), (11324, 73444), (11438, 72712), (12814, 64904), (13072, 63623), (16226, 51256), (16688, 49837), (18178, 45752), (18361, 45296), (18544, 44849), (19817, 41968), (20984, 39634), (22648, 36722), (22876, 36356), (25628, 32452)]