918439408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{28403}}^1$

素因数の和:28501

約数の個数: 40

約数和(自身を含む): 1859666688

約数和(自身を除く): 941227280

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 4042, 8084, 16168, 28403, 32336, 56806, 113612, 227224, 454448, 1221329, 1334941, 2442658, 2669882, 4885316, 5339764, 9770632, 10679528, 19541264, 21359056, 57402463, 114804926, 229609852, 459219704, 918439408]

約数ペア:

[(1, 918439408), (2, 459219704), (4, 229609852), (8, 114804926), (16, 57402463), (43, 21359056), (47, 19541264), (86, 10679528), (94, 9770632), (172, 5339764), (188, 4885316), (344, 2669882), (376, 2442658), (688, 1334941), (752, 1221329), (2021, 454448), (4042, 227224), (8084, 113612), (16168, 56806), (28403, 32336)]