31302830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 60933600

約数和(自身を除く): 29630770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 619, 778, 1238, 1945, 3095, 3890, 5057, 6190, 8047, 10114, 16094, 25285, 40235, 50570, 80470, 240791, 481582, 1203955, 2407910, 3130283, 6260566, 15651415, 31302830]

約数ペア:

[(1, 31302830), (2, 15651415), (5, 6260566), (10, 3130283), (13, 2407910), (26, 1203955), (65, 481582), (130, 240791), (389, 80470), (619, 50570), (778, 40235), (1238, 25285), (1945, 16094), (3095, 10114), (3890, 8047), (5057, 6190)]