31931718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 79252992

約数和(自身を除く): 47321274

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 233, 251, 273, 466, 502, 546, 699, 753, 1398, 1506, 1631, 1757, 3029, 3262, 3263, 3514, 4893, 5271, 6058, 6526, 9087, 9786, 9789, 10542, 18174, 19578, 21203, 22841, 42406, 45682, 58483, 63609, 68523, 116966, 127218, 137046, 175449, 350898, 409381, 760279, 818762, 1228143, 1520558, 2280837, 2456286, 4561674, 5321953, 10643906, 15965859, 31931718]

約数ペア:

[(1, 31931718), (2, 15965859), (3, 10643906), (6, 5321953), (7, 4561674), (13, 2456286), (14, 2280837), (21, 1520558), (26, 1228143), (39, 818762), (42, 760279), (78, 409381), (91, 350898), (182, 175449), (233, 137046), (251, 127218), (273, 116966), (466, 68523), (502, 63609), (546, 58483), (699, 45682), (753, 42406), (1398, 22841), (1506, 21203), (1631, 19578), (1757, 18174), (3029, 10542), (3262, 9789), (3263, 9786), (3514, 9087), (4893, 6526), (5271, 6058)]