678243345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{51913}}^1$

素因数の和:52001

約数の個数: 32

約数和(自身を含む): 1186131072

約数和(自身を除く): 507887727

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 2613, 4355, 13065, 51913, 155739, 259565, 674869, 778695, 2024607, 3374345, 3478171, 10123035, 10434513, 17390855, 45216223, 52172565, 135648669, 226081115, 678243345]

約数ペア:

[(1, 678243345), (3, 226081115), (5, 135648669), (13, 52172565), (15, 45216223), (39, 17390855), (65, 10434513), (67, 10123035), (195, 3478171), (201, 3374345), (335, 2024607), (871, 778695), (1005, 674869), (2613, 259565), (4355, 155739), (13065, 51913)]