220403896

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{2087}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 424448640

約数和(自身を除く): 204044744

約数列:

[1, 2, 4, 8, 43, 86, 172, 307, 344, 614, 1228, 2087, 2456, 4174, 8348, 13201, 16696, 26402, 52804, 89741, 105608, 179482, 358964, 640709, 717928, 1281418, 2562836, 5125672, 27550487, 55100974, 110201948, 220403896]

約数ペア:

[(1, 220403896), (2, 110201948), (4, 55100974), (8, 27550487), (43, 5125672), (86, 2562836), (172, 1281418), (307, 717928), (344, 640709), (614, 358964), (1228, 179482), (2087, 105608), (2456, 89741), (4174, 52804), (8348, 26402), (13201, 16696)]