16481725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 22873536

約数和(自身を除く): 6391811

約数列:

[1, 5, 13, 25, 47, 65, 83, 169, 235, 325, 415, 611, 845, 1079, 1175, 2075, 3055, 3901, 4225, 5395, 7943, 14027, 15275, 19505, 26975, 39715, 50713, 70135, 97525, 198575, 253565, 350675, 659269, 1267825, 3296345, 16481725]

約数ペア:

[(1, 16481725), (5, 3296345), (13, 1267825), (25, 659269), (47, 350675), (65, 253565), (83, 198575), (169, 97525), (235, 70135), (325, 50713), (415, 39715), (611, 26975), (845, 19505), (1079, 15275), (1175, 14027), (2075, 7943), (3055, 5395), (3901, 4225)]