207121970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{43789}}^1$

素因数の和:43850

約数の個数: 32

約数和(自身を含む): 416180160

約数和(自身を除く): 209058190

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 43789, 87578, 218945, 437890, 481679, 963358, 1882927, 2408395, 3765854, 4816790, 9414635, 18829270, 20712197, 41424394, 103560985, 207121970]

約数ペア:

[(1, 207121970), (2, 103560985), (5, 41424394), (10, 20712197), (11, 18829270), (22, 9414635), (43, 4816790), (55, 3765854), (86, 2408395), (110, 1882927), (215, 963358), (430, 481679), (473, 437890), (946, 218945), (2365, 87578), (4730, 43789)]