31580514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{953}}^1$

素因数の和:1231

約数の個数: 48

約数和(自身を含む): 78579072

約数和(自身を除く): 46998558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 263, 526, 789, 953, 1578, 1841, 1906, 2367, 2859, 3682, 4734, 5523, 5718, 6671, 8577, 11046, 13342, 16569, 17154, 20013, 33138, 40026, 60039, 120078, 250639, 501278, 751917, 1503834, 1754473, 2255751, 3508946, 4511502, 5263419, 10526838, 15790257, 31580514]

約数ペア:

[(1, 31580514), (2, 15790257), (3, 10526838), (6, 5263419), (7, 4511502), (9, 3508946), (14, 2255751), (18, 1754473), (21, 1503834), (42, 751917), (63, 501278), (126, 250639), (263, 120078), (526, 60039), (789, 40026), (953, 33138), (1578, 20013), (1841, 17154), (1906, 16569), (2367, 13342), (2859, 11046), (3682, 8577), (4734, 6671), (5523, 5718)]