128435986

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{1409}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 233902080

約数和(自身を除く): 105466094

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 383, 766, 1409, 2681, 2818, 5362, 6511, 9863, 13022, 19726, 23953, 45577, 47906, 91154, 167671, 335342, 539647, 1079294, 3777529, 7555058, 9173999, 18347998, 64217993, 128435986]

約数ペア:

[(1, 128435986), (2, 64217993), (7, 18347998), (14, 9173999), (17, 7555058), (34, 3777529), (119, 1079294), (238, 539647), (383, 335342), (766, 167671), (1409, 91154), (2681, 47906), (2818, 45577), (5362, 23953), (6511, 19726), (9863, 13022)]