38888725

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 52913280

約数和(自身を除く): 14024555

約数列:

[1, 5, 19, 25, 31, 95, 139, 155, 361, 475, 589, 695, 775, 1805, 2641, 2945, 3475, 4309, 9025, 11191, 13205, 14725, 21545, 50179, 55955, 66025, 81871, 107725, 250895, 279775, 409355, 1254475, 1555549, 2046775, 7777745, 38888725]

約数ペア:

[(1, 38888725), (5, 7777745), (19, 2046775), (25, 1555549), (31, 1254475), (95, 409355), (139, 279775), (155, 250895), (361, 107725), (475, 81871), (589, 66025), (695, 55955), (775, 50179), (1805, 21545), (2641, 14725), (2945, 13205), (3475, 11191), (4309, 9025)]