520018961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5827}}^1$

素因数の和:5925

約数の個数: 32

約数和(自身を含む): 693765120

約数和(自身を除く): 173746159

約数列:

[1, 7, 11, 19, 61, 77, 133, 209, 427, 671, 1159, 1463, 4697, 5827, 8113, 12749, 40789, 64097, 89243, 110713, 355447, 448679, 774991, 1217843, 2488129, 3909917, 6753493, 8524901, 27369419, 47274451, 74288423, 520018961]

約数ペア:

[(1, 520018961), (7, 74288423), (11, 47274451), (19, 27369419), (61, 8524901), (77, 6753493), (133, 3909917), (209, 2488129), (427, 1217843), (671, 774991), (1159, 448679), (1463, 355447), (4697, 110713), (5827, 89243), (8113, 64097), (12749, 40789)]