81659656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11059}}^1$

素因数の和:11149

約数の個数: 32

約数和(自身を含む): 167227200

約数和(自身を除く): 85567544

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 11059, 22118, 44236, 88472, 143767, 287534, 575068, 785189, 1150136, 1570378, 3140756, 6281512, 10207457, 20414914, 40829828, 81659656]

約数ペア:

[(1, 81659656), (2, 40829828), (4, 20414914), (8, 10207457), (13, 6281512), (26, 3140756), (52, 1570378), (71, 1150136), (104, 785189), (142, 575068), (284, 287534), (568, 143767), (923, 88472), (1846, 44236), (3692, 22118), (7384, 11059)]