640503792

素因数分解:

$2^4\times 3^2\times {\mathrm{4447943}}^1$

素因数の和:4447957

約数の個数: 30

約数和(自身を含む): 1792521432

約数和(自身を除く): 1152017640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4447943, 8895886, 13343829, 17791772, 26687658, 35583544, 40031487, 53375316, 71167088, 80062974, 106750632, 160125948, 213501264, 320251896, 640503792]

約数ペア:

[(1, 640503792), (2, 320251896), (3, 213501264), (4, 160125948), (6, 106750632), (8, 80062974), (9, 71167088), (12, 53375316), (16, 40031487), (18, 35583544), (24, 26687658), (36, 17791772), (48, 13343829), (72, 8895886), (144, 4447943)]