1978200942

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2100001}}^1$

素因数の和:2100163

約数の個数: 16

約数和(自身を含む): 3981603792

約数和(自身を除く): 2003402850

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 2100001, 4200002, 6300003, 12600006, 329700157, 659400314, 989100471, 1978200942]

約数ペア:

[(1, 1978200942), (2, 989100471), (3, 659400314), (6, 329700157), (157, 12600006), (314, 6300003), (471, 4200002), (942, 2100001)]