81661270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{355049}}^1$

素因数の和:355079

約数の個数: 16

約数和(自身を含む): 153381600

約数和(自身を除く): 71720330

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 355049, 710098, 1775245, 3550490, 8166127, 16332254, 40830635, 81661270]

約数ペア:

[(1, 81661270), (2, 40830635), (5, 16332254), (10, 8166127), (23, 3550490), (46, 1775245), (115, 710098), (230, 355049)]