1298385610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2128501}}^1$

素因数の和:2128569

約数の個数: 16

約数和(自身を含む): 2375408232

約数和(自身を除く): 1077022622

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 2128501, 4257002, 10642505, 21285010, 129838561, 259677122, 649192805, 1298385610]

約数ペア:

[(1, 1298385610), (2, 649192805), (5, 259677122), (10, 129838561), (61, 21285010), (122, 10642505), (305, 4257002), (610, 2128501)]