640741704

素因数分解:

$2^3\times 3^1\times {\mathrm{4993}}^1\times {\mathrm{5347}}^1$

素因数の和:10349

約数の個数: 32

約数和(自身を含む): 1602474720

約数和(自身を除く): 961733016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 4993, 5347, 9986, 10694, 14979, 16041, 19972, 21388, 29958, 32082, 39944, 42776, 59916, 64164, 119832, 128328, 26697571, 53395142, 80092713, 106790284, 160185426, 213580568, 320370852, 640741704]

約数ペア:

[(1, 640741704), (2, 320370852), (3, 213580568), (4, 160185426), (6, 106790284), (8, 80092713), (12, 53395142), (24, 26697571), (4993, 128328), (5347, 119832), (9986, 64164), (10694, 59916), (14979, 42776), (16041, 39944), (19972, 32082), (21388, 29958)]