258515446

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{1297}}^1$

素因数の和:1948

約数の個数: 32

約数和(自身を含む): 463541760

約数和(自身を除く): 205026314

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 619, 1238, 1297, 2594, 4333, 8666, 9079, 14237, 18158, 28474, 29831, 59662, 99659, 199318, 208817, 417634, 802843, 1605686, 5619901, 11239802, 18465389, 36930778, 129257723, 258515446]

約数ペア:

[(1, 258515446), (2, 129257723), (7, 36930778), (14, 18465389), (23, 11239802), (46, 5619901), (161, 1605686), (322, 802843), (619, 417634), (1238, 208817), (1297, 199318), (2594, 99659), (4333, 59662), (8666, 29831), (9079, 28474), (14237, 18158)]