81921736

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 171360000

約数和(自身を除く): 89438264

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 79, 104, 118, 158, 169, 236, 316, 338, 472, 632, 676, 767, 1027, 1352, 1534, 2054, 2197, 3068, 4108, 4394, 4661, 6136, 8216, 8788, 9322, 9971, 13351, 17576, 18644, 19942, 26702, 37288, 39884, 53404, 60593, 79768, 106808, 121186, 129623, 173563, 242372, 259246, 347126, 484744, 518492, 694252, 787709, 1036984, 1388504, 1575418, 3150836, 6301672, 10240217, 20480434, 40960868, 81921736]

約数ペア:

[(1, 81921736), (2, 40960868), (4, 20480434), (8, 10240217), (13, 6301672), (26, 3150836), (52, 1575418), (59, 1388504), (79, 1036984), (104, 787709), (118, 694252), (158, 518492), (169, 484744), (236, 347126), (316, 259246), (338, 242372), (472, 173563), (632, 129623), (676, 121186), (767, 106808), (1027, 79768), (1352, 60593), (1534, 53404), (2054, 39884), (2197, 37288), (3068, 26702), (4108, 19942), (4394, 18644), (4661, 17576), (6136, 13351), (8216, 9971), (8788, 9322)]