163921712

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{217981}}^1$

素因数の和:218036

約数の個数: 20

約数和(自身を含む): 324357216

約数和(自身を除く): 160435504

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 217981, 435962, 871924, 1743848, 3487696, 10245107, 20490214, 40980428, 81960856, 163921712]

約数ペア:

[(1, 163921712), (2, 81960856), (4, 40980428), (8, 20490214), (16, 10245107), (47, 3487696), (94, 1743848), (188, 871924), (376, 435962), (752, 217981)]