53213875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 78792480

約数和(自身を除く): 25578605

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 169, 229, 275, 325, 715, 845, 1145, 1375, 1625, 1859, 2519, 2977, 3575, 4225, 5725, 9295, 12595, 14885, 17875, 21125, 28625, 32747, 38701, 46475, 62975, 74425, 163735, 193505, 232375, 314875, 372125, 425711, 818675, 967525, 2128555, 4093375, 4837625, 10642775, 53213875]

約数ペア:

[(1, 53213875), (5, 10642775), (11, 4837625), (13, 4093375), (25, 2128555), (55, 967525), (65, 818675), (125, 425711), (143, 372125), (169, 314875), (229, 232375), (275, 193505), (325, 163735), (715, 74425), (845, 62975), (1145, 46475), (1375, 38701), (1625, 32747), (1859, 28625), (2519, 21125), (2977, 17875), (3575, 14885), (4225, 12595), (5725, 9295)]