39219719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 11583481

約数列:

[1, 7, 11, 59, 77, 89, 97, 413, 623, 649, 679, 979, 1067, 4543, 5251, 5723, 6853, 7469, 8633, 36757, 40061, 57761, 60431, 62953, 94963, 404327, 440671, 509347, 664741, 3565429, 5602817, 39219719]

約数ペア:

[(1, 39219719), (7, 5602817), (11, 3565429), (59, 664741), (77, 509347), (89, 440671), (97, 404327), (413, 94963), (623, 62953), (649, 60431), (679, 57761), (979, 40061), (1067, 36757), (4543, 8633), (5251, 7469), (5723, 6853)]