216945570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{11177}}^1$

素因数の和:11834

約数の個数: 32

約数和(自身を含む): 521520768

約数和(自身を除く): 304575198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 647, 1294, 1941, 3235, 3882, 6470, 9705, 11177, 19410, 22354, 33531, 55885, 67062, 111770, 167655, 335310, 7231519, 14463038, 21694557, 36157595, 43389114, 72315190, 108472785, 216945570]

約数ペア:

[(1, 216945570), (2, 108472785), (3, 72315190), (5, 43389114), (6, 36157595), (10, 21694557), (15, 14463038), (30, 7231519), (647, 335310), (1294, 167655), (1941, 111770), (3235, 67062), (3882, 55885), (6470, 33531), (9705, 22354), (11177, 19410)]