81101416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1877}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 166315680

約数和(自身を除く): 85214264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 491, 982, 1877, 1964, 3754, 3928, 5401, 7508, 10802, 15016, 20647, 21604, 41294, 43208, 82588, 165176, 921607, 1843214, 3686428, 7372856, 10137677, 20275354, 40550708, 81101416]

約数ペア:

[(1, 81101416), (2, 40550708), (4, 20275354), (8, 10137677), (11, 7372856), (22, 3686428), (44, 1843214), (88, 921607), (491, 165176), (982, 82588), (1877, 43208), (1964, 41294), (3754, 21604), (3928, 20647), (5401, 15016), (7508, 10802)]