81618692

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{1427}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 145541760

約数和(自身を除く): 63923068

約数列:

[1, 2, 4, 79, 158, 181, 316, 362, 724, 1427, 2854, 5708, 14299, 28598, 57196, 112733, 225466, 258287, 450932, 516574, 1033148, 20404673, 40809346, 81618692]

約数ペア:

[(1, 81618692), (2, 40809346), (4, 20404673), (79, 1033148), (158, 516574), (181, 450932), (316, 258287), (362, 225466), (724, 112733), (1427, 57196), (2854, 28598), (5708, 14299)]