199038352

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{401287}}^1$

素因数の和:401326

約数の個数: 20

約数和(自身を含む): 398077696

約数和(自身を除く): 199039344

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 401287, 802574, 1605148, 3210296, 6420592, 12439897, 24879794, 49759588, 99519176, 199038352]

約数ペア:

[(1, 199038352), (2, 99519176), (4, 49759588), (8, 24879794), (16, 12439897), (31, 6420592), (62, 3210296), (124, 1605148), (248, 802574), (496, 401287)]