81805624

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{659}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 156816000

約数和(自身を除く): 75010376

約数列:

[1, 2, 4, 8, 59, 118, 236, 263, 472, 526, 659, 1052, 1318, 2104, 2636, 5272, 15517, 31034, 38881, 62068, 77762, 124136, 155524, 173317, 311048, 346634, 693268, 1386536, 10225703, 20451406, 40902812, 81805624]

約数ペア:

[(1, 81805624), (2, 40902812), (4, 20451406), (8, 10225703), (59, 1386536), (118, 693268), (236, 346634), (263, 311048), (472, 173317), (526, 155524), (659, 124136), (1052, 77762), (1318, 62068), (2104, 38881), (2636, 31034), (5272, 15517)]