728215570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{13513}}^1$

素因数の和:13854

約数の個数: 32

約数和(自身を含む): 1392374448

約数和(自身を除く): 664158878

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 317, 634, 1585, 3170, 5389, 10778, 13513, 26945, 27026, 53890, 67565, 135130, 229721, 459442, 1148605, 2297210, 4283621, 8567242, 21418105, 42836210, 72821557, 145643114, 364107785, 728215570]

約数ペア:

[(1, 728215570), (2, 364107785), (5, 145643114), (10, 72821557), (17, 42836210), (34, 21418105), (85, 8567242), (170, 4283621), (317, 2297210), (634, 1148605), (1585, 459442), (3170, 229721), (5389, 135130), (10778, 67565), (13513, 53890), (26945, 27026)]