81931648

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 175032000

約数和(自身を除く): 93100352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 128, 152, 236, 304, 472, 571, 608, 944, 1121, 1142, 1216, 1888, 2242, 2284, 2432, 3776, 4484, 4568, 7552, 8968, 9136, 10849, 17936, 18272, 21698, 33689, 35872, 36544, 43396, 67378, 71744, 73088, 86792, 134756, 143488, 173584, 269512, 347168, 539024, 640091, 694336, 1078048, 1280182, 1388672, 2156096, 2560364, 4312192, 5120728, 10241456, 20482912, 40965824, 81931648]

約数ペア:

[(1, 81931648), (2, 40965824), (4, 20482912), (8, 10241456), (16, 5120728), (19, 4312192), (32, 2560364), (38, 2156096), (59, 1388672), (64, 1280182), (76, 1078048), (118, 694336), (128, 640091), (152, 539024), (236, 347168), (304, 269512), (472, 173584), (571, 143488), (608, 134756), (944, 86792), (1121, 73088), (1142, 71744), (1216, 67378), (1888, 43396), (2242, 36544), (2284, 35872), (2432, 33689), (3776, 21698), (4484, 18272), (4568, 17936), (7552, 10849), (8968, 9136)]