28200328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8747}}^1$

素因数の和:8797

約数の個数: 32

約数和(自身を含む): 58786560

約数和(自身を除く): 30586232

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 8747, 17494, 34988, 69976, 113711, 227422, 271157, 454844, 542314, 909688, 1084628, 2169256, 3525041, 7050082, 14100164, 28200328]

約数ペア:

[(1, 28200328), (2, 14100164), (4, 7050082), (8, 3525041), (13, 2169256), (26, 1084628), (31, 909688), (52, 542314), (62, 454844), (104, 271157), (124, 227422), (248, 113711), (403, 69976), (806, 34988), (1612, 17494), (3224, 8747)]