204887216

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 402132000

約数和(自身を除く): 197244784

約数列:

[1, 2, 4, 8, 16, 199, 229, 281, 398, 458, 562, 796, 916, 1124, 1592, 1832, 2248, 3184, 3664, 4496, 45571, 55919, 64349, 91142, 111838, 128698, 182284, 223676, 257396, 364568, 447352, 514792, 729136, 894704, 1029584, 12805451, 25610902, 51221804, 102443608, 204887216]

約数ペア:

[(1, 204887216), (2, 102443608), (4, 51221804), (8, 25610902), (16, 12805451), (199, 1029584), (229, 894704), (281, 729136), (398, 514792), (458, 447352), (562, 364568), (796, 257396), (916, 223676), (1124, 182284), (1592, 128698), (1832, 111838), (2248, 91142), (3184, 64349), (3664, 55919), (4496, 45571)]