39989495

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 59512320

約数和(自身を除く): 19522825

約数列:

[1, 5, 7, 13, 35, 65, 91, 179, 455, 491, 895, 1253, 2327, 2455, 3437, 6265, 6383, 11635, 16289, 17185, 31915, 44681, 81445, 87889, 223405, 439445, 615223, 1142557, 3076115, 5712785, 7997899, 39989495]

約数ペア:

[(1, 39989495), (5, 7997899), (7, 5712785), (13, 3076115), (35, 1142557), (65, 615223), (91, 439445), (179, 223405), (455, 87889), (491, 81445), (895, 44681), (1253, 31915), (2327, 17185), (2455, 16289), (3437, 11635), (6265, 6383)]