47281975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 54

約数和(自身を含む): 69165216

約数和(自身を除く): 21883241

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 155, 169, 247, 325, 361, 403, 475, 589, 775, 845, 1235, 1805, 2015, 2945, 3211, 4225, 4693, 5239, 6175, 7657, 9025, 10075, 11191, 14725, 16055, 23465, 26195, 38285, 55955, 61009, 80275, 99541, 117325, 130975, 145483, 191425, 279775, 305045, 497705, 727415, 1525225, 1891279, 2488525, 3637075, 9456395, 47281975]

約数ペア:

[(1, 47281975), (5, 9456395), (13, 3637075), (19, 2488525), (25, 1891279), (31, 1525225), (65, 727415), (95, 497705), (155, 305045), (169, 279775), (247, 191425), (325, 145483), (361, 130975), (403, 117325), (475, 99541), (589, 80275), (775, 61009), (845, 55955), (1235, 38285), (1805, 26195), (2015, 23465), (2945, 16055), (3211, 14725), (4225, 11191), (4693, 10075), (5239, 9025), (6175, 7657)]