647936632

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 1517760000

約数和(自身を除く): 869823368

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 67, 76, 122, 133, 134, 149, 152, 244, 266, 268, 298, 427, 469, 488, 532, 536, 596, 854, 938, 1043, 1064, 1159, 1192, 1273, 1708, 1876, 2086, 2318, 2546, 2831, 3416, 3752, 4087, 4172, 4636, 5092, 5662, 8113, 8174, 8344, 8911, 9089, 9272, 9983, 10184, 11324, 16226, 16348, 17822, 18178, 19817, 19966, 22648, 28609, 32452, 32696, 35644, 36356, 39634, 39932, 57218, 63623, 64904, 69881, 71288, 72712, 77653, 79268, 79864, 114436, 127246, 139762, 155306, 158536, 172691, 189677, 228872, 254492, 279524, 310612, 345382, 379354, 508984, 543571, 559048, 608963, 621224, 690764, 758708, 1087142, 1208837, 1217926, 1327739, 1381528, 1517416, 2174284, 2417674, 2435852, 2655478, 4262741, 4348568, 4835348, 4871704, 5310956, 8525482, 9670696, 10621912, 11570297, 17050964, 23140594, 34101928, 46281188, 80992079, 92562376, 161984158, 323968316, 647936632]

約数ペア:

[(1, 647936632), (2, 323968316), (4, 161984158), (7, 92562376), (8, 80992079), (14, 46281188), (19, 34101928), (28, 23140594), (38, 17050964), (56, 11570297), (61, 10621912), (67, 9670696), (76, 8525482), (122, 5310956), (133, 4871704), (134, 4835348), (149, 4348568), (152, 4262741), (244, 2655478), (266, 2435852), (268, 2417674), (298, 2174284), (427, 1517416), (469, 1381528), (488, 1327739), (532, 1217926), (536, 1208837), (596, 1087142), (854, 758708), (938, 690764), (1043, 621224), (1064, 608963), (1159, 559048), (1192, 543571), (1273, 508984), (1708, 379354), (1876, 345382), (2086, 310612), (2318, 279524), (2546, 254492), (2831, 228872), (3416, 189677), (3752, 172691), (4087, 158536), (4172, 155306), (4636, 139762), (5092, 127246), (5662, 114436), (8113, 79864), (8174, 79268), (8344, 77653), (8911, 72712), (9089, 71288), (9272, 69881), (9983, 64904), (10184, 63623), (11324, 57218), (16226, 39932), (16348, 39634), (17822, 36356), (18178, 35644), (19817, 32696), (19966, 32452), (22648, 28609)]