81820912

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3371}}^1$

素因数の和:3457

約数の個数: 40

約数和(自身を含む): 166833072

約数和(自身を除く): 85012160

約数列:

[1, 2, 4, 8, 16, 37, 41, 74, 82, 148, 164, 296, 328, 592, 656, 1517, 3034, 3371, 6068, 6742, 12136, 13484, 24272, 26968, 53936, 124727, 138211, 249454, 276422, 498908, 552844, 997816, 1105688, 1995632, 2211376, 5113807, 10227614, 20455228, 40910456, 81820912]

約数ペア:

[(1, 81820912), (2, 40910456), (4, 20455228), (8, 10227614), (16, 5113807), (37, 2211376), (41, 1995632), (74, 1105688), (82, 997816), (148, 552844), (164, 498908), (296, 276422), (328, 249454), (592, 138211), (656, 124727), (1517, 53936), (3034, 26968), (3371, 24272), (6068, 13484), (6742, 12136)]