289265210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{7109}}^1$

素因数の和:7442

約数の個数: 32

約数和(自身を含む): 562600080

約数和(自身を除く): 273334870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 3130, 4069, 7109, 8138, 14218, 20345, 35545, 40690, 71090, 92417, 184834, 462085, 924170, 2225117, 4450234, 11125585, 22251170, 28926521, 57853042, 144632605, 289265210]

約数ペア:

[(1, 289265210), (2, 144632605), (5, 57853042), (10, 28926521), (13, 22251170), (26, 11125585), (65, 4450234), (130, 2225117), (313, 924170), (626, 462085), (1565, 184834), (3130, 92417), (4069, 71090), (7109, 40690), (8138, 35545), (14218, 20345)]