721649292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{660851}}^1$

素因数の和:660878

約数の個数: 48

約数和(自身を含む): 2072431872

約数和(自身を除く): 1350782580

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 660851, 1321702, 1982553, 2643404, 3965106, 4625957, 7930212, 8591063, 9251914, 13877871, 17182126, 18503828, 25773189, 27755742, 34364252, 51546378, 55511484, 60137441, 103092756, 120274882, 180412323, 240549764, 360824646, 721649292]

約数ペア:

[(1, 721649292), (2, 360824646), (3, 240549764), (4, 180412323), (6, 120274882), (7, 103092756), (12, 60137441), (13, 55511484), (14, 51546378), (21, 34364252), (26, 27755742), (28, 25773189), (39, 18503828), (42, 17182126), (52, 13877871), (78, 9251914), (84, 8591063), (91, 7930212), (156, 4625957), (182, 3965106), (273, 2643404), (364, 1982553), (546, 1321702), (1092, 660851)]