130721416

素因数分解:

$2^3\times 7^3\times {\mathrm{47639}}^1$

素因数の和:47666

約数の個数: 32

約数和(自身を含む): 285840000

約数和(自身を除く): 155118584

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 47639, 95278, 190556, 333473, 381112, 666946, 1333892, 2334311, 2667784, 4668622, 9337244, 16340177, 18674488, 32680354, 65360708, 130721416]

約数ペア:

[(1, 130721416), (2, 65360708), (4, 32680354), (7, 18674488), (8, 16340177), (14, 9337244), (28, 4668622), (49, 2667784), (56, 2334311), (98, 1333892), (196, 666946), (343, 381112), (392, 333473), (686, 190556), (1372, 95278), (2744, 47639)]