7981930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 15811200

約数和(自身を除く): 7829270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 487, 745, 974, 1490, 1639, 2435, 3278, 4870, 5357, 8195, 10714, 16390, 26785, 53570, 72563, 145126, 362815, 725630, 798193, 1596386, 3990965, 7981930]

約数ペア:

[(1, 7981930), (2, 3990965), (5, 1596386), (10, 798193), (11, 725630), (22, 362815), (55, 145126), (110, 72563), (149, 53570), (298, 26785), (487, 16390), (745, 10714), (974, 8195), (1490, 5357), (1639, 4870), (2435, 3278)]