30991506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1887

約数の個数: 64

約数和(自身を含む): 78790656

約数和(自身を除く): 47799150

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1302, 1831, 2418, 2821, 3662, 5493, 5642, 8463, 10986, 12817, 16926, 23803, 25634, 38451, 47606, 56761, 71409, 76902, 113522, 142818, 166621, 170283, 333242, 340566, 397327, 499863, 737893, 794654, 999726, 1191981, 1475786, 2213679, 2383962, 4427358, 5165251, 10330502, 15495753, 30991506]

約数ペア:

[(1, 30991506), (2, 15495753), (3, 10330502), (6, 5165251), (7, 4427358), (13, 2383962), (14, 2213679), (21, 1475786), (26, 1191981), (31, 999726), (39, 794654), (42, 737893), (62, 499863), (78, 397327), (91, 340566), (93, 333242), (182, 170283), (186, 166621), (217, 142818), (273, 113522), (403, 76902), (434, 71409), (546, 56761), (651, 47606), (806, 38451), (1209, 25634), (1302, 23803), (1831, 16926), (2418, 12817), (2821, 10986), (3662, 8463), (5493, 5642)]