199957712

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{79601}}^1$

素因数の和:79766

約数の個数: 20

約数和(自身を含む): 389890596

約数和(自身を除く): 189932884

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 79601, 159202, 318404, 636808, 1273616, 12497357, 24994714, 49989428, 99978856, 199957712]

約数ペア:

[(1, 199957712), (2, 99978856), (4, 49989428), (8, 24994714), (16, 12497357), (157, 1273616), (314, 636808), (628, 318404), (1256, 159202), (2512, 79601)]