199972475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1583}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 257697792

約数和(自身を除く): 57725317

約数列:

[1, 5, 25, 31, 155, 163, 775, 815, 1583, 4075, 5053, 7915, 25265, 39575, 49073, 126325, 245365, 258029, 1226825, 1290145, 6450725, 7998899, 39994495, 199972475]

約数ペア:

[(1, 199972475), (5, 39994495), (25, 7998899), (31, 6450725), (155, 1290145), (163, 1226825), (775, 258029), (815, 245365), (1583, 126325), (4075, 49073), (5053, 39575), (7915, 25265)]