289287512

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{2131}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 552614400

約数和(自身を除く): 263326888

約数列:

[1, 2, 4, 8, 71, 142, 239, 284, 478, 568, 956, 1912, 2131, 4262, 8524, 16969, 17048, 33938, 67876, 135752, 151301, 302602, 509309, 605204, 1018618, 1210408, 2037236, 4074472, 36160939, 72321878, 144643756, 289287512]

約数ペア:

[(1, 289287512), (2, 144643756), (4, 72321878), (8, 36160939), (71, 4074472), (142, 2037236), (239, 1210408), (284, 1018618), (478, 605204), (568, 509309), (956, 302602), (1912, 151301), (2131, 135752), (4262, 67876), (8524, 33938), (16969, 17048)]