64340128

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 132572160

約数和(自身を除く): 68232032

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 248, 316, 496, 632, 821, 992, 1264, 1642, 2449, 2528, 3284, 4898, 6568, 9796, 13136, 19592, 25451, 26272, 39184, 50902, 64859, 78368, 101804, 129718, 203608, 259436, 407216, 518872, 814432, 1037744, 2010629, 2075488, 4021258, 8042516, 16085032, 32170064, 64340128]

約数ペア:

[(1, 64340128), (2, 32170064), (4, 16085032), (8, 8042516), (16, 4021258), (31, 2075488), (32, 2010629), (62, 1037744), (79, 814432), (124, 518872), (158, 407216), (248, 259436), (316, 203608), (496, 129718), (632, 101804), (821, 78368), (992, 64859), (1264, 50902), (1642, 39184), (2449, 26272), (2528, 25451), (3284, 19592), (4898, 13136), (6568, 9796)]