28772375

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 37806912

約数和(自身を除く): 9034537

約数列:

[1, 5, 25, 43, 53, 101, 125, 215, 265, 505, 1075, 1325, 2279, 2525, 4343, 5353, 5375, 6625, 11395, 12625, 21715, 26765, 56975, 108575, 133825, 230179, 284875, 542875, 669125, 1150895, 5754475, 28772375]

約数ペア:

[(1, 28772375), (5, 5754475), (25, 1150895), (43, 669125), (53, 542875), (101, 284875), (125, 230179), (215, 133825), (265, 108575), (505, 56975), (1075, 26765), (1325, 21715), (2279, 12625), (2525, 11395), (4343, 6625), (5353, 5375)]