81952164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1039}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 237735680

約数和(自身を除く): 155783516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 313, 626, 939, 1039, 1252, 1878, 2078, 2191, 2817, 3117, 3756, 4156, 4382, 5634, 6234, 6573, 7273, 8764, 9351, 11268, 12468, 13146, 14546, 18702, 19719, 21819, 26292, 29092, 37404, 39438, 43638, 65457, 78876, 87276, 130914, 261828, 325207, 650414, 975621, 1300828, 1951242, 2276449, 2926863, 3902484, 4552898, 5853726, 6829347, 9105796, 11707452, 13658694, 20488041, 27317388, 40976082, 81952164]

約数ペア:

[(1, 81952164), (2, 40976082), (3, 27317388), (4, 20488041), (6, 13658694), (7, 11707452), (9, 9105796), (12, 6829347), (14, 5853726), (18, 4552898), (21, 3902484), (28, 2926863), (36, 2276449), (42, 1951242), (63, 1300828), (84, 975621), (126, 650414), (252, 325207), (313, 261828), (626, 130914), (939, 87276), (1039, 78876), (1252, 65457), (1878, 43638), (2078, 39438), (2191, 37404), (2817, 29092), (3117, 26292), (3756, 21819), (4156, 19719), (4382, 18702), (5634, 14546), (6234, 13146), (6573, 12468), (7273, 11268), (8764, 9351)]