64919672

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 124320000

約数和(自身を除く): 59400328

約数列:

[1, 2, 4, 8, 79, 139, 158, 278, 316, 556, 632, 739, 1112, 1478, 2956, 5912, 10981, 21962, 43924, 58381, 87848, 102721, 116762, 205442, 233524, 410884, 467048, 821768, 8114959, 16229918, 32459836, 64919672]

約数ペア:

[(1, 64919672), (2, 32459836), (4, 16229918), (8, 8114959), (79, 821768), (139, 467048), (158, 410884), (278, 233524), (316, 205442), (556, 116762), (632, 102721), (739, 87848), (1112, 58381), (1478, 43924), (2956, 21962), (5912, 10981)]