71781512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2657}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 147359520

約数和(自身を除く): 75578008

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 307, 614, 1228, 2456, 2657, 3377, 5314, 6754, 10628, 13508, 21256, 27016, 29227, 58454, 116908, 233816, 815699, 1631398, 3262796, 6525592, 8972689, 17945378, 35890756, 71781512]

約数ペア:

[(1, 71781512), (2, 35890756), (4, 17945378), (8, 8972689), (11, 6525592), (22, 3262796), (44, 1631398), (88, 815699), (307, 233816), (614, 116908), (1228, 58454), (2456, 29227), (2657, 27016), (3377, 21256), (5314, 13508), (6754, 10628)]