291223735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6481}}^1$

素因数の和:6559

約数の個数: 32

約数和(自身を含む): 410699520

約数和(自身を除く): 119475785

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 473, 817, 1045, 2365, 4085, 6481, 8987, 32405, 44935, 71291, 123139, 278683, 356455, 615695, 1354529, 1393415, 3065513, 5294977, 6772645, 15327565, 26474885, 58244747, 291223735]

約数ペア:

[(1, 291223735), (5, 58244747), (11, 26474885), (19, 15327565), (43, 6772645), (55, 5294977), (95, 3065513), (209, 1393415), (215, 1354529), (473, 615695), (817, 356455), (1045, 278683), (2365, 123139), (4085, 71291), (6481, 44935), (8987, 32405)]