209427725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2099}}^1$

素因数の和:2429

約数の個数: 24

約数和(自身を含む): 280711200

約数和(自身を除く): 71283475

約数列:

[1, 5, 13, 25, 65, 307, 325, 1535, 2099, 3991, 7675, 10495, 19955, 27287, 52475, 99775, 136435, 644393, 682175, 3221965, 8377109, 16109825, 41885545, 209427725]

約数ペア:

[(1, 209427725), (5, 41885545), (13, 16109825), (25, 8377109), (65, 3221965), (307, 682175), (325, 644393), (1535, 136435), (2099, 99775), (3991, 52475), (7675, 27287), (10495, 19955)]