81306430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1117}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 152137440

約数和(自身を除く): 70831010

約数列:

[1, 2, 5, 10, 29, 58, 145, 251, 290, 502, 1117, 1255, 2234, 2510, 5585, 7279, 11170, 14558, 32393, 36395, 64786, 72790, 161965, 280367, 323930, 560734, 1401835, 2803670, 8130643, 16261286, 40653215, 81306430]

約数ペア:

[(1, 81306430), (2, 40653215), (5, 16261286), (10, 8130643), (29, 2803670), (58, 1401835), (145, 560734), (251, 323930), (290, 280367), (502, 161965), (1117, 72790), (1255, 64786), (2234, 36395), (2510, 32393), (5585, 14558), (7279, 11170)]