217221446

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{4691}}^1$

素因数の和:4856

約数の個数: 24

約数和(自身を含む): 355475304

約数和(自身を除く): 138253858

約数列:

[1, 2, 13, 26, 137, 169, 274, 338, 1781, 3562, 4691, 9382, 23153, 46306, 60983, 121966, 642667, 792779, 1285334, 1585558, 8354671, 16709342, 108610723, 217221446]

約数ペア:

[(1, 217221446), (2, 108610723), (13, 16709342), (26, 8354671), (137, 1585558), (169, 1285334), (274, 792779), (338, 642667), (1781, 121966), (3562, 60983), (4691, 46306), (9382, 23153)]