1621010990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 3060040896

約数和(自身を除く): 1439029906

約数列:

[1, 2, 5, 10, 43, 73, 86, 113, 146, 215, 226, 365, 430, 457, 565, 730, 914, 1130, 2285, 3139, 4570, 4859, 6278, 8249, 9718, 15695, 16498, 19651, 24295, 31390, 33361, 39302, 41245, 48590, 51641, 66722, 82490, 98255, 103282, 166805, 196510, 258205, 333610, 354707, 516410, 709414, 1434523, 1773535, 2220563, 2869046, 3547070, 3769793, 4441126, 7172615, 7539586, 11102815, 14345230, 18848965, 22205630, 37697930, 162101099, 324202198, 810505495, 1621010990]

約数ペア:

[(1, 1621010990), (2, 810505495), (5, 324202198), (10, 162101099), (43, 37697930), (73, 22205630), (86, 18848965), (113, 14345230), (146, 11102815), (215, 7539586), (226, 7172615), (365, 4441126), (430, 3769793), (457, 3547070), (565, 2869046), (730, 2220563), (914, 1773535), (1130, 1434523), (2285, 709414), (3139, 516410), (4570, 354707), (4859, 333610), (6278, 258205), (8249, 196510), (9718, 166805), (15695, 103282), (16498, 98255), (19651, 82490), (24295, 66722), (31390, 51641), (33361, 48590), (39302, 41245)]