81656248

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{617}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 156180960

約数和(自身を除く): 74524712

約数列:

[1, 2, 4, 8, 71, 142, 233, 284, 466, 568, 617, 932, 1234, 1864, 2468, 4936, 16543, 33086, 43807, 66172, 87614, 132344, 143761, 175228, 287522, 350456, 575044, 1150088, 10207031, 20414062, 40828124, 81656248]

約数ペア:

[(1, 81656248), (2, 40828124), (4, 20414062), (8, 10207031), (71, 1150088), (142, 575044), (233, 350456), (284, 287522), (466, 175228), (568, 143761), (617, 132344), (932, 87614), (1234, 66172), (1864, 43807), (2468, 33086), (4936, 16543)]