385004015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17903}}^1$

素因数の和:17959

約数の個数: 32

約数和(自身を含む): 556886016

約数和(自身を除く): 171882001

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 1265, 1955, 4301, 17903, 21505, 89515, 196933, 304351, 411769, 984665, 1521755, 2058845, 3347861, 4529459, 7000073, 16739305, 22647295, 35000365, 77000803, 385004015]

約数ペア:

[(1, 385004015), (5, 77000803), (11, 35000365), (17, 22647295), (23, 16739305), (55, 7000073), (85, 4529459), (115, 3347861), (187, 2058845), (253, 1521755), (391, 984665), (935, 411769), (1265, 304351), (1955, 196933), (4301, 89515), (17903, 21505)]