31318291570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{9817}}^1$

素因数の和:10147

約数の個数: 64

約数和(自身を含む): 59854298112

約数和(自身を除く): 28536006542

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 251, 310, 410, 502, 1255, 1271, 2510, 2542, 6355, 7781, 9817, 10291, 12710, 15562, 19634, 20582, 38905, 49085, 51455, 77810, 98170, 102910, 304327, 319021, 402497, 608654, 638042, 804994, 1521635, 1595105, 2012485, 2464067, 3043270, 3190210, 4024970, 4928134, 12320335, 12477407, 24640670, 24954814, 62387035, 76386077, 101026747, 124774070, 152772154, 202053494, 381930385, 505133735, 763860770, 1010267470, 3131829157, 6263658314, 15659145785, 31318291570]

約数ペア:

[(1, 31318291570), (2, 15659145785), (5, 6263658314), (10, 3131829157), (31, 1010267470), (41, 763860770), (62, 505133735), (82, 381930385), (155, 202053494), (205, 152772154), (251, 124774070), (310, 101026747), (410, 76386077), (502, 62387035), (1255, 24954814), (1271, 24640670), (2510, 12477407), (2542, 12320335), (6355, 4928134), (7781, 4024970), (9817, 3190210), (10291, 3043270), (12710, 2464067), (15562, 2012485), (19634, 1595105), (20582, 1521635), (38905, 804994), (49085, 638042), (51455, 608654), (77810, 402497), (98170, 319021), (102910, 304327)]