51538890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132151}}^1$

素因数の和:132174

約数の個数: 32

約数和(自身を含む): 133209216

約数和(自身を除く): 81670326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 132151, 264302, 396453, 660755, 792906, 1321510, 1717963, 1982265, 3435926, 3964530, 5153889, 8589815, 10307778, 17179630, 25769445, 51538890]

約数ペア:

[(1, 51538890), (2, 25769445), (3, 17179630), (5, 10307778), (6, 8589815), (10, 5153889), (13, 3964530), (15, 3435926), (26, 1982265), (30, 1717963), (39, 1321510), (65, 792906), (78, 660755), (130, 396453), (195, 264302), (390, 132151)]