207919964

素因数分解:

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

素因数の和:283

約数の個数: 96

約数和(自身を含む): 458304000

約数和(自身を除く): 250384036

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 61, 76, 86, 122, 133, 149, 172, 244, 266, 298, 301, 427, 532, 596, 602, 817, 854, 1043, 1159, 1204, 1634, 1708, 2086, 2318, 2623, 2831, 3268, 4172, 4636, 5246, 5662, 5719, 6407, 8113, 9089, 10492, 11324, 11438, 12814, 16226, 18178, 18361, 19817, 22876, 25628, 32452, 36356, 36722, 39634, 44849, 49837, 63623, 73444, 79268, 89698, 99674, 121733, 127246, 172691, 179396, 199348, 243466, 254492, 345382, 348859, 390827, 486932, 690764, 697718, 781654, 852131, 1208837, 1395436, 1563308, 1704262, 2417674, 2735789, 3408524, 4835348, 5471578, 7425713, 10943156, 14851426, 29702852, 51979991, 103959982, 207919964]

約数ペア:

[(1, 207919964), (2, 103959982), (4, 51979991), (7, 29702852), (14, 14851426), (19, 10943156), (28, 7425713), (38, 5471578), (43, 4835348), (61, 3408524), (76, 2735789), (86, 2417674), (122, 1704262), (133, 1563308), (149, 1395436), (172, 1208837), (244, 852131), (266, 781654), (298, 697718), (301, 690764), (427, 486932), (532, 390827), (596, 348859), (602, 345382), (817, 254492), (854, 243466), (1043, 199348), (1159, 179396), (1204, 172691), (1634, 127246), (1708, 121733), (2086, 99674), (2318, 89698), (2623, 79268), (2831, 73444), (3268, 63623), (4172, 49837), (4636, 44849), (5246, 39634), (5662, 36722), (5719, 36356), (6407, 32452), (8113, 25628), (9089, 22876), (10492, 19817), (11324, 18361), (11438, 18178), (12814, 16226)]