247975364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{681251}}^1$

素因数の和:681275

約数の個数: 24

約数和(自身を含む): 534101568

約数和(自身を除く): 286126204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 681251, 1362502, 2725004, 4768757, 8856263, 9537514, 17712526, 19075028, 35425052, 61993841, 123987682, 247975364]

約数ペア:

[(1, 247975364), (2, 123987682), (4, 61993841), (7, 35425052), (13, 19075028), (14, 17712526), (26, 9537514), (28, 8856263), (52, 4768757), (91, 2725004), (182, 1362502), (364, 681251)]