821503152

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^2\times {\mathrm{15803}}^1$

素因数の和:15855

約数の個数: 90

約数和(自身を含む): 2426593572

約数和(自身を除く): 1605090420

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 361, 456, 684, 722, 912, 1083, 1368, 1444, 2166, 2736, 2888, 3249, 4332, 5776, 6498, 8664, 12996, 15803, 17328, 25992, 31606, 47409, 51984, 63212, 94818, 126424, 142227, 189636, 252848, 284454, 300257, 379272, 568908, 600514, 758544, 900771, 1137816, 1201028, 1801542, 2275632, 2402056, 2702313, 3603084, 4804112, 5404626, 5704883, 7206168, 10809252, 11409766, 14412336, 17114649, 21618504, 22819532, 34229298, 43237008, 45639064, 51343947, 68458596, 91278128, 102687894, 136917192, 205375788, 273834384, 410751576, 821503152]

約数ペア:

[(1, 821503152), (2, 410751576), (3, 273834384), (4, 205375788), (6, 136917192), (8, 102687894), (9, 91278128), (12, 68458596), (16, 51343947), (18, 45639064), (19, 43237008), (24, 34229298), (36, 22819532), (38, 21618504), (48, 17114649), (57, 14412336), (72, 11409766), (76, 10809252), (114, 7206168), (144, 5704883), (152, 5404626), (171, 4804112), (228, 3603084), (304, 2702313), (342, 2402056), (361, 2275632), (456, 1801542), (684, 1201028), (722, 1137816), (912, 900771), (1083, 758544), (1368, 600514), (1444, 568908), (2166, 379272), (2736, 300257), (2888, 284454), (3249, 252848), (4332, 189636), (5776, 142227), (6498, 126424), (8664, 94818), (12996, 63212), (15803, 51984), (17328, 47409), (25992, 31606)]