15671780225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{213149}}^1$

素因数の和:213349

約数の個数: 24

約数和(自身を含む): 20695159800

約数和(自身を除く): 5023379575

約数列:

[1, 5, 17, 25, 85, 173, 425, 865, 2941, 4325, 14705, 73525, 213149, 1065745, 3623533, 5328725, 18117665, 36874777, 90588325, 184373885, 626871209, 921869425, 3134356045, 15671780225]

約数ペア:

[(1, 15671780225), (5, 3134356045), (17, 921869425), (25, 626871209), (85, 184373885), (173, 90588325), (425, 36874777), (865, 18117665), (2941, 5328725), (4325, 3623533), (14705, 1065745), (73525, 213149)]