13972475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 19790400

約数和(自身を除く): 5817925

約数列:

[1, 5, 11, 25, 31, 55, 121, 149, 155, 275, 341, 605, 745, 775, 1639, 1705, 3025, 3725, 3751, 4619, 8195, 8525, 18029, 18755, 23095, 40975, 50809, 90145, 93775, 115475, 254045, 450725, 558899, 1270225, 2794495, 13972475]

約数ペア:

[(1, 13972475), (5, 2794495), (11, 1270225), (25, 558899), (31, 450725), (55, 254045), (121, 115475), (149, 93775), (155, 90145), (275, 50809), (341, 40975), (605, 23095), (745, 18755), (775, 18029), (1639, 8525), (1705, 8195), (3025, 4619), (3725, 3751)]