201378512

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{30773}}^1$

素因数の和:31190

約数の個数: 20

約数和(自身を含む): 391137540

約数和(自身を除く): 189759028

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 30773, 61546, 123092, 246184, 492368, 12586157, 25172314, 50344628, 100689256, 201378512]

約数ペア:

[(1, 201378512), (2, 100689256), (4, 50344628), (8, 25172314), (16, 12586157), (409, 492368), (818, 246184), (1636, 123092), (3272, 61546), (6544, 30773)]