81205726

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{9049}}^1$

素因数の和:9699

約数の個数: 16

約数和(自身を含む): 139442400

約数和(自身を除く): 58236674

約数列:

[1, 2, 7, 14, 641, 1282, 4487, 8974, 9049, 18098, 63343, 126686, 5800409, 11600818, 40602863, 81205726]

約数ペア:

[(1, 81205726), (2, 40602863), (7, 11600818), (14, 5800409), (641, 126686), (1282, 63343), (4487, 18098), (8974, 9049)]