218411518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2551}}^1$

素因数の和:2692

約数の個数: 32

約数和(自身を含む): 366569280

約数和(自身を除く): 148157762

約数列:

[1, 2, 13, 26, 37, 74, 89, 178, 481, 962, 1157, 2314, 2551, 3293, 5102, 6586, 33163, 42809, 66326, 85618, 94387, 188774, 227039, 454078, 1227031, 2454062, 2951507, 5903014, 8400443, 16800886, 109205759, 218411518]

約数ペア:

[(1, 218411518), (2, 109205759), (13, 16800886), (26, 8400443), (37, 5903014), (74, 2951507), (89, 2454062), (178, 1227031), (481, 454078), (962, 227039), (1157, 188774), (2314, 94387), (2551, 85618), (3293, 66326), (5102, 42809), (6586, 33163)]