221475208

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{1187}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 422120160

約数和(自身を除く): 200644952

約数列:

[1, 2, 4, 8, 83, 166, 281, 332, 562, 664, 1124, 1187, 2248, 2374, 4748, 9496, 23323, 46646, 93292, 98521, 186584, 197042, 333547, 394084, 667094, 788168, 1334188, 2668376, 27684401, 55368802, 110737604, 221475208]

約数ペア:

[(1, 221475208), (2, 110737604), (4, 55368802), (8, 27684401), (83, 2668376), (166, 1334188), (281, 788168), (332, 667094), (562, 394084), (664, 333547), (1124, 197042), (1187, 186584), (2248, 98521), (2374, 93292), (4748, 46646), (9496, 23323)]