31311138

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{773}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 64570176

約数和(自身を除く): 33259038

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 471, 773, 942, 1546, 2319, 4638, 6751, 13502, 20253, 33239, 40506, 66478, 99717, 121361, 199434, 242722, 364083, 728166, 5218523, 10437046, 15655569, 31311138]

約数ペア:

[(1, 31311138), (2, 15655569), (3, 10437046), (6, 5218523), (43, 728166), (86, 364083), (129, 242722), (157, 199434), (258, 121361), (314, 99717), (471, 66478), (773, 40506), (942, 33239), (1546, 20253), (2319, 13502), (4638, 6751)]