201563518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 330624000

約数和(自身を除く): 129060482

約数列:

[1, 2, 13, 26, 163, 199, 239, 326, 398, 478, 2119, 2587, 3107, 4238, 5174, 6214, 32437, 38957, 47561, 64874, 77914, 95122, 421681, 506441, 618293, 843362, 1012882, 1236586, 7752443, 15504886, 100781759, 201563518]

約数ペア:

[(1, 201563518), (2, 100781759), (13, 15504886), (26, 7752443), (163, 1236586), (199, 1012882), (239, 843362), (326, 618293), (398, 506441), (478, 421681), (2119, 95122), (2587, 77914), (3107, 64874), (4238, 47561), (5174, 38957), (6214, 32437)]