157440647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 200116224

約数和(自身を除く): 42675577

約数列:

[1, 7, 13, 47, 91, 131, 281, 329, 611, 917, 1703, 1967, 3653, 4277, 6157, 11921, 13207, 25571, 36811, 43099, 80041, 92449, 171691, 257677, 478543, 560287, 1201837, 1730117, 3349801, 12110819, 22491521, 157440647]

約数ペア:

[(1, 157440647), (7, 22491521), (13, 12110819), (47, 3349801), (91, 1730117), (131, 1201837), (281, 560287), (329, 478543), (611, 257677), (917, 171691), (1703, 92449), (1967, 80041), (3653, 43099), (4277, 36811), (6157, 25571), (11921, 13207)]