220153514

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257791}}^1$

素因数の和:257861

約数の個数: 16

約数和(自身を含む): 383594496

約数和(自身を除く): 163440982

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 257791, 515582, 1804537, 3609074, 15725251, 31450502, 110076757, 220153514]

約数ペア:

[(1, 220153514), (2, 110076757), (7, 31450502), (14, 15725251), (61, 3609074), (122, 1804537), (427, 515582), (854, 257791)]