31513668

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 75915840

約数和(自身を除く): 44402172

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 157, 172, 258, 314, 389, 471, 516, 628, 778, 942, 1167, 1556, 1884, 2334, 4668, 6751, 13502, 16727, 20253, 27004, 33454, 40506, 50181, 61073, 66908, 81012, 100362, 122146, 183219, 200724, 244292, 366438, 732876, 2626139, 5252278, 7878417, 10504556, 15756834, 31513668]

約数ペア:

[(1, 31513668), (2, 15756834), (3, 10504556), (4, 7878417), (6, 5252278), (12, 2626139), (43, 732876), (86, 366438), (129, 244292), (157, 200724), (172, 183219), (258, 122146), (314, 100362), (389, 81012), (471, 66908), (516, 61073), (628, 50181), (778, 40506), (942, 33454), (1167, 27004), (1556, 20253), (1884, 16727), (2334, 13502), (4668, 6751)]