31311826

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4066

約数の個数: 32

約数和(自身を含む): 59165568

約数和(自身を除く): 27853742

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 3913, 4001, 7826, 8002, 28007, 52013, 56014, 104026, 172043, 344086, 364091, 728182, 1204301, 2236559, 2408602, 4473118, 15655913, 31311826]

約数ペア:

[(1, 31311826), (2, 15655913), (7, 4473118), (13, 2408602), (14, 2236559), (26, 1204301), (43, 728182), (86, 364091), (91, 344086), (182, 172043), (301, 104026), (559, 56014), (602, 52013), (1118, 28007), (3913, 8002), (4001, 7826)]