289142776

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{16451}}^1$

素因数の和:16496

約数の個数: 32

約数和(自身を含む): 587336400

約数和(自身を除く): 298193624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 2197, 4394, 8788, 16451, 17576, 32902, 65804, 131608, 213863, 427726, 855452, 1710904, 2780219, 5560438, 11120876, 22241752, 36142847, 72285694, 144571388, 289142776]

約数ペア:

[(1, 289142776), (2, 144571388), (4, 72285694), (8, 36142847), (13, 22241752), (26, 11120876), (52, 5560438), (104, 2780219), (169, 1710904), (338, 855452), (676, 427726), (1352, 213863), (2197, 131608), (4394, 65804), (8788, 32902), (16451, 17576)]