201688890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517151}}^1$

素因数の和:517174

約数の個数: 32

約数和(自身を含む): 521289216

約数和(自身を除く): 319600326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 517151, 1034302, 1551453, 2585755, 3102906, 5171510, 6722963, 7757265, 13445926, 15514530, 20168889, 33614815, 40337778, 67229630, 100844445, 201688890]

約数ペア:

[(1, 201688890), (2, 100844445), (3, 67229630), (5, 40337778), (6, 33614815), (10, 20168889), (13, 15514530), (15, 13445926), (26, 7757265), (30, 6722963), (39, 5171510), (65, 3102906), (78, 2585755), (130, 1551453), (195, 1034302), (390, 517151)]