1288653904

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{154589}}^1$

素因数の和:155118

約数の個数: 20

約数和(自身を含む): 2501575380

約数和(自身を除く): 1212921476

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 4168, 8336, 154589, 309178, 618356, 1236712, 2473424, 80540869, 161081738, 322163476, 644326952, 1288653904]

約数ペア:

[(1, 1288653904), (2, 644326952), (4, 322163476), (8, 161081738), (16, 80540869), (521, 2473424), (1042, 1236712), (2084, 618356), (4168, 309178), (8336, 154589)]