9587990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 18019584

約数和(自身を除く): 8431594

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 197, 310, 314, 394, 785, 985, 1570, 1970, 4867, 6107, 9734, 12214, 24335, 30535, 30929, 48670, 61070, 61858, 154645, 309290, 958799, 1917598, 4793995, 9587990]

約数ペア:

[(1, 9587990), (2, 4793995), (5, 1917598), (10, 958799), (31, 309290), (62, 154645), (155, 61858), (157, 61070), (197, 48670), (310, 30929), (314, 30535), (394, 24335), (785, 12214), (985, 9734), (1570, 6107), (1970, 4867)]