7640945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 10886400

約数和(自身を除く): 3245455

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 269, 299, 437, 1235, 1345, 1495, 2185, 3497, 5111, 5681, 6187, 17485, 25555, 28405, 30935, 66443, 80431, 117553, 332215, 402155, 587765, 1528189, 7640945]

約数ペア:

[(1, 7640945), (5, 1528189), (13, 587765), (19, 402155), (23, 332215), (65, 117553), (95, 80431), (115, 66443), (247, 30935), (269, 28405), (299, 25555), (437, 17485), (1235, 6187), (1345, 5681), (1495, 5111), (2185, 3497)]