90899998

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{29921}}^1$

素因数の和:29968

約数の個数: 24

約数和(自身を含む): 163733184

約数和(自身を除く): 72833186

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 29921, 59842, 209447, 418894, 927551, 1466129, 1855102, 2932258, 6492857, 12985714, 45449999, 90899998]

約数ペア:

[(1, 90899998), (2, 45449999), (7, 12985714), (14, 6492857), (31, 2932258), (49, 1855102), (62, 1466129), (98, 927551), (217, 418894), (434, 209447), (1519, 59842), (3038, 29921)]