15721602

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3803}}^1$

素因数の和:3874

約数の個数: 32

約数和(自身を含む): 34509888

約数和(自身を除く): 18788286

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 3803, 4134, 7606, 11409, 22818, 49439, 98878, 148317, 201559, 296634, 403118, 604677, 1209354, 2620267, 5240534, 7860801, 15721602]

約数ペア:

[(1, 15721602), (2, 7860801), (3, 5240534), (6, 2620267), (13, 1209354), (26, 604677), (39, 403118), (53, 296634), (78, 201559), (106, 148317), (159, 98878), (318, 49439), (689, 22818), (1378, 11409), (2067, 7606), (3803, 4134)]