161757590

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{1277}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 298131840

約数和(自身を除く): 136374250

約数列:

[1, 2, 5, 10, 53, 106, 239, 265, 478, 530, 1195, 1277, 2390, 2554, 6385, 12667, 12770, 25334, 63335, 67681, 126670, 135362, 305203, 338405, 610406, 676810, 1526015, 3052030, 16175759, 32351518, 80878795, 161757590]

約数ペア:

[(1, 161757590), (2, 80878795), (5, 32351518), (10, 16175759), (53, 3052030), (106, 1526015), (239, 676810), (265, 610406), (478, 338405), (530, 305203), (1195, 135362), (1277, 126670), (2390, 67681), (2554, 63335), (6385, 25334), (12667, 12770)]