654325984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{3019}}^1$

素因数の和:3563

約数の個数: 48

約数和(自身を含む): 1390420080

約数和(自身を除く): 736094096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 521, 1042, 2084, 3019, 4168, 6038, 6773, 8336, 12076, 13546, 16672, 24152, 27092, 39247, 48304, 54184, 78494, 96608, 108368, 156988, 216736, 313976, 627952, 1255904, 1572899, 3145798, 6291596, 12583192, 20447687, 25166384, 40895374, 50332768, 81790748, 163581496, 327162992, 654325984]

約数ペア:

[(1, 654325984), (2, 327162992), (4, 163581496), (8, 81790748), (13, 50332768), (16, 40895374), (26, 25166384), (32, 20447687), (52, 12583192), (104, 6291596), (208, 3145798), (416, 1572899), (521, 1255904), (1042, 627952), (2084, 313976), (3019, 216736), (4168, 156988), (6038, 108368), (6773, 96608), (8336, 78494), (12076, 54184), (13546, 48304), (16672, 39247), (24152, 27092)]