220325185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 289142784

約数和(自身を除く): 68817599

約数列:

[1, 5, 17, 41, 85, 191, 205, 331, 697, 955, 1655, 3247, 3485, 5627, 7831, 13571, 16235, 28135, 39155, 63221, 67855, 133127, 230707, 316105, 665635, 1074757, 1153535, 2592061, 5373785, 12960305, 44065037, 220325185]

約数ペア:

[(1, 220325185), (5, 44065037), (17, 12960305), (41, 5373785), (85, 2592061), (191, 1153535), (205, 1074757), (331, 665635), (697, 316105), (955, 230707), (1655, 133127), (3247, 67855), (3485, 63221), (5627, 39155), (7831, 28135), (13571, 16235)]