389675265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 727474176

約数和(自身を除く): 337798911

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 137, 263, 309, 411, 515, 685, 721, 789, 959, 1315, 1545, 1841, 2055, 2163, 2877, 3605, 3945, 4795, 5523, 9205, 10815, 14111, 14385, 27089, 27615, 36031, 42333, 70555, 81267, 98777, 108093, 135445, 180155, 189623, 211665, 252217, 296331, 406335, 493885, 540465, 568869, 756651, 948115, 1261085, 1481655, 2844345, 3711193, 3783255, 11133579, 18555965, 25978351, 55667895, 77935053, 129891755, 389675265]

約数ペア:

[(1, 389675265), (3, 129891755), (5, 77935053), (7, 55667895), (15, 25978351), (21, 18555965), (35, 11133579), (103, 3783255), (105, 3711193), (137, 2844345), (263, 1481655), (309, 1261085), (411, 948115), (515, 756651), (685, 568869), (721, 540465), (789, 493885), (959, 406335), (1315, 296331), (1545, 252217), (1841, 211665), (2055, 189623), (2163, 180155), (2877, 135445), (3605, 108093), (3945, 98777), (4795, 81267), (5523, 70555), (9205, 42333), (10815, 36031), (14111, 27615), (14385, 27089)]