31347355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 42835968

約数和(自身を除く): 11488613

約数列:

[1, 5, 13, 31, 47, 65, 155, 235, 331, 403, 611, 1457, 1655, 2015, 3055, 4303, 7285, 10261, 15557, 18941, 21515, 51305, 77785, 94705, 133393, 202241, 482267, 666965, 1011205, 2411335, 6269471, 31347355]

約数ペア:

[(1, 31347355), (5, 6269471), (13, 2411335), (31, 1011205), (47, 666965), (65, 482267), (155, 202241), (235, 133393), (331, 94705), (403, 77785), (611, 51305), (1457, 21515), (1655, 18941), (2015, 15557), (3055, 10261), (4303, 7285)]