81205012

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{152641}}^1$

素因数の和:152671

約数の個数: 24

約数和(自身を含む): 170959040

約数和(自身を除く): 89754028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 152641, 305282, 610564, 1068487, 2136974, 2900179, 4273948, 5800358, 11600716, 20301253, 40602506, 81205012]

約数ペア:

[(1, 81205012), (2, 40602506), (4, 20301253), (7, 11600716), (14, 5800358), (19, 4273948), (28, 2900179), (38, 2136974), (76, 1068487), (133, 610564), (266, 305282), (532, 152641)]