139938988

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{7561}}^1$

素因数の和:8233

約数の個数: 24

約数和(自身を含む): 280338464

約数和(自身を除く): 140399476

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 2644, 4627, 7561, 9254, 15122, 18508, 30244, 52927, 105854, 211708, 4997821, 9995642, 19991284, 34984747, 69969494, 139938988]

約数ペア:

[(1, 139938988), (2, 69969494), (4, 34984747), (7, 19991284), (14, 9995642), (28, 4997821), (661, 211708), (1322, 105854), (2644, 52927), (4627, 30244), (7561, 18508), (9254, 15122)]