81691072

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{13159}}^1$

素因数の和:13268

約数の個数: 28

約数和(自身を含む): 163789360

約数和(自身を除く): 82098288

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 6208, 13159, 26318, 52636, 105272, 210544, 421088, 842176, 1276423, 2552846, 5105692, 10211384, 20422768, 40845536, 81691072]

約数ペア:

[(1, 81691072), (2, 40845536), (4, 20422768), (8, 10211384), (16, 5105692), (32, 2552846), (64, 1276423), (97, 842176), (194, 421088), (388, 210544), (776, 105272), (1552, 52636), (3104, 26318), (6208, 13159)]