81923165

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{811}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 99973440

約数和(自身を除く): 18050275

約数列:

[1, 5, 89, 227, 445, 811, 1135, 4055, 20203, 72179, 101015, 184097, 360895, 920485, 16384633, 81923165]

約数ペア:

[(1, 81923165), (5, 16384633), (89, 920485), (227, 360895), (445, 184097), (811, 101015), (1135, 72179), (4055, 20203)]