1640672044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1\times {\mathrm{587}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 3167015040

約数和(自身を除く): 1526342996

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 457, 556, 587, 914, 1174, 1529, 1828, 2348, 3058, 5027, 6116, 6457, 10054, 12914, 20108, 25828, 63523, 81593, 127046, 163186, 254092, 268259, 326372, 536518, 698753, 897523, 1073036, 1397506, 1795046, 2795012, 2950849, 3590092, 5901698, 11803396, 37288001, 74576002, 149152004, 410168011, 820336022, 1640672044]

約数ペア:

[(1, 1640672044), (2, 820336022), (4, 410168011), (11, 149152004), (22, 74576002), (44, 37288001), (139, 11803396), (278, 5901698), (457, 3590092), (556, 2950849), (587, 2795012), (914, 1795046), (1174, 1397506), (1529, 1073036), (1828, 897523), (2348, 698753), (3058, 536518), (5027, 326372), (6116, 268259), (6457, 254092), (10054, 163186), (12914, 127046), (20108, 81593), (25828, 63523)]