31484778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 41091222

約数列:

[1, 2, 3, 6, 13, 26, 29, 31, 39, 58, 62, 78, 87, 93, 174, 186, 377, 403, 449, 754, 806, 898, 899, 1131, 1209, 1347, 1798, 2262, 2418, 2694, 2697, 5394, 5837, 11674, 11687, 13021, 13919, 17511, 23374, 26042, 27838, 35022, 35061, 39063, 41757, 70122, 78126, 83514, 169273, 180947, 338546, 361894, 403651, 507819, 542841, 807302, 1015638, 1085682, 1210953, 2421906, 5247463, 10494926, 15742389, 31484778]

約数ペア:

[(1, 31484778), (2, 15742389), (3, 10494926), (6, 5247463), (13, 2421906), (26, 1210953), (29, 1085682), (31, 1015638), (39, 807302), (58, 542841), (62, 507819), (78, 403651), (87, 361894), (93, 338546), (174, 180947), (186, 169273), (377, 83514), (403, 78126), (449, 70122), (754, 41757), (806, 39063), (898, 35061), (899, 35022), (1131, 27838), (1209, 26042), (1347, 23374), (1798, 17511), (2262, 13919), (2418, 13021), (2694, 11687), (2697, 11674), (5394, 5837)]