289601845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 390426624

約数和(自身を除く): 100824779

約数列:

[1, 5, 13, 31, 65, 101, 155, 403, 505, 1313, 1423, 2015, 3131, 6565, 7115, 15655, 18499, 40703, 44113, 92495, 143723, 203515, 220565, 573469, 718615, 1868399, 2867345, 4455413, 9341995, 22277065, 57920369, 289601845]

約数ペア:

[(1, 289601845), (5, 57920369), (13, 22277065), (31, 9341995), (65, 4455413), (101, 2867345), (155, 1868399), (403, 718615), (505, 573469), (1313, 220565), (1423, 203515), (2015, 143723), (3131, 92495), (6565, 44113), (7115, 40703), (15655, 18499)]