81479678

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{65393}}^1$

素因数の和:65491

約数の個数: 16

約数和(自身を含む): 141251040

約数和(自身を除く): 59771362

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 65393, 130786, 457751, 915502, 5819977, 11639954, 40739839, 81479678]

約数ペア:

[(1, 81479678), (2, 40739839), (7, 11639954), (14, 5819977), (89, 915502), (178, 457751), (623, 130786), (1246, 65393)]