28418724

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 75216960

約数和(自身を除く): 46798236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 163, 167, 174, 261, 326, 334, 348, 489, 501, 522, 652, 668, 978, 1002, 1044, 1467, 1503, 1956, 2004, 2934, 3006, 4727, 4843, 5868, 6012, 9454, 9686, 14181, 14529, 18908, 19372, 27221, 28362, 29058, 42543, 43587, 54442, 56724, 58116, 81663, 85086, 87174, 108884, 163326, 170172, 174348, 244989, 326652, 489978, 789409, 979956, 1578818, 2368227, 3157636, 4736454, 7104681, 9472908, 14209362, 28418724]

約数ペア:

[(1, 28418724), (2, 14209362), (3, 9472908), (4, 7104681), (6, 4736454), (9, 3157636), (12, 2368227), (18, 1578818), (29, 979956), (36, 789409), (58, 489978), (87, 326652), (116, 244989), (163, 174348), (167, 170172), (174, 163326), (261, 108884), (326, 87174), (334, 85086), (348, 81663), (489, 58116), (501, 56724), (522, 54442), (652, 43587), (668, 42543), (978, 29058), (1002, 28362), (1044, 27221), (1467, 19372), (1503, 18908), (1956, 14529), (2004, 14181), (2934, 9686), (3006, 9454), (4727, 6012), (4843, 5868)]