640465092

素因数分解:

$2^2\times 3^2\times {\mathrm{2521}}^1\times {\mathrm{7057}}^1$

素因数の和:9588

約数の個数: 36

約数和(自身を含む): 1619825116

約数和(自身を除く): 979360024

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2521, 5042, 7057, 7563, 10084, 14114, 15126, 21171, 22689, 28228, 30252, 42342, 45378, 63513, 84684, 90756, 127026, 254052, 17790697, 35581394, 53372091, 71162788, 106744182, 160116273, 213488364, 320232546, 640465092]

約数ペア:

[(1, 640465092), (2, 320232546), (3, 213488364), (4, 160116273), (6, 106744182), (9, 71162788), (12, 53372091), (18, 35581394), (36, 17790697), (2521, 254052), (5042, 127026), (7057, 90756), (7563, 84684), (10084, 63513), (14114, 45378), (15126, 42342), (21171, 30252), (22689, 28228)]