190172015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 256684032

約数和(自身を除く): 66512017

約数列:

[1, 5, 11, 43, 55, 191, 215, 421, 473, 955, 2101, 2105, 2365, 4631, 8213, 10505, 18103, 23155, 41065, 80411, 90343, 90515, 199133, 402055, 451715, 884521, 995665, 3457673, 4422605, 17288365, 38034403, 190172015]

約数ペア:

[(1, 190172015), (5, 38034403), (11, 17288365), (43, 4422605), (55, 3457673), (191, 995665), (215, 884521), (421, 451715), (473, 402055), (955, 199133), (2101, 90515), (2105, 90343), (2365, 80411), (4631, 41065), (8213, 23155), (10505, 18103)]