81657130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{355031}}^1$

素因数の和:355061

約数の個数: 16

約数和(自身を含む): 153373824

約数和(自身を除く): 71716694

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 355031, 710062, 1775155, 3550310, 8165713, 16331426, 40828565, 81657130]

約数ペア:

[(1, 81657130), (2, 40828565), (5, 16331426), (10, 8165713), (23, 3550310), (46, 1775155), (115, 710062), (230, 355031)]