280321616

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{111593}}^1$

素因数の和:111758

約数の個数: 20

約数和(自身を含む): 546587412

約数和(自身を除く): 266265796

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 111593, 223186, 446372, 892744, 1785488, 17520101, 35040202, 70080404, 140160808, 280321616]

約数ペア:

[(1, 280321616), (2, 140160808), (4, 70080404), (8, 35040202), (16, 17520101), (157, 1785488), (314, 892744), (628, 446372), (1256, 223186), (2512, 111593)]