28070028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 59988852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 29, 36, 42, 46, 58, 63, 69, 84, 87, 92, 116, 126, 138, 161, 167, 174, 203, 207, 252, 261, 276, 322, 334, 348, 406, 414, 483, 501, 522, 609, 644, 667, 668, 812, 828, 966, 1002, 1044, 1169, 1218, 1334, 1449, 1503, 1827, 1932, 2001, 2004, 2338, 2436, 2668, 2898, 3006, 3507, 3654, 3841, 4002, 4669, 4676, 4843, 5796, 6003, 6012, 7014, 7308, 7682, 8004, 9338, 9686, 10521, 11523, 12006, 14007, 14028, 14529, 15364, 18676, 19372, 21042, 23046, 24012, 26887, 28014, 29058, 33901, 34569, 42021, 42084, 43587, 46092, 53774, 56028, 58116, 67802, 69138, 80661, 84042, 87174, 101703, 107548, 111389, 135604, 138276, 161322, 168084, 174348, 203406, 222778, 241983, 305109, 322644, 334167, 406812, 445556, 483966, 610218, 668334, 779723, 967932, 1002501, 1220436, 1336668, 1559446, 2005002, 2339169, 3118892, 4010004, 4678338, 7017507, 9356676, 14035014, 28070028]

約数ペア:

[(1, 28070028), (2, 14035014), (3, 9356676), (4, 7017507), (6, 4678338), (7, 4010004), (9, 3118892), (12, 2339169), (14, 2005002), (18, 1559446), (21, 1336668), (23, 1220436), (28, 1002501), (29, 967932), (36, 779723), (42, 668334), (46, 610218), (58, 483966), (63, 445556), (69, 406812), (84, 334167), (87, 322644), (92, 305109), (116, 241983), (126, 222778), (138, 203406), (161, 174348), (167, 168084), (174, 161322), (203, 138276), (207, 135604), (252, 111389), (261, 107548), (276, 101703), (322, 87174), (334, 84042), (348, 80661), (406, 69138), (414, 67802), (483, 58116), (501, 56028), (522, 53774), (609, 46092), (644, 43587), (667, 42084), (668, 42021), (812, 34569), (828, 33901), (966, 29058), (1002, 28014), (1044, 26887), (1169, 24012), (1218, 23046), (1334, 21042), (1449, 19372), (1503, 18676), (1827, 15364), (1932, 14529), (2001, 14028), (2004, 14007), (2338, 12006), (2436, 11523), (2668, 10521), (2898, 9686), (3006, 9338), (3507, 8004), (3654, 7682), (3841, 7308), (4002, 7014), (4669, 6012), (4676, 6003), (4843, 5796)]