247831288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{26729}}^1$

素因数の和:26815

約数の個数: 32

約数和(自身を含む): 497178000

約数和(自身を除く): 249346712

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 26729, 53458, 106916, 213832, 507851, 1015702, 1630469, 2031404, 3260938, 4062808, 6521876, 13043752, 30978911, 61957822, 123915644, 247831288]

約数ペア:

[(1, 247831288), (2, 123915644), (4, 61957822), (8, 30978911), (19, 13043752), (38, 6521876), (61, 4062808), (76, 3260938), (122, 2031404), (152, 1630469), (244, 1015702), (488, 507851), (1159, 213832), (2318, 106916), (4636, 53458), (9272, 26729)]