81979198

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{158261}}^1$

素因数の和:158307

約数の個数: 16

約数和(自身を含む): 144334944

約数和(自身を除く): 62355746

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 158261, 316522, 1107827, 2215654, 5855657, 11711314, 40989599, 81979198]

約数ペア:

[(1, 81979198), (2, 40989599), (7, 11711314), (14, 5855657), (37, 2215654), (74, 1107827), (259, 316522), (518, 158261)]