28878216

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 74805120

約数和(自身を除く): 45926904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 73, 106, 146, 159, 212, 219, 292, 311, 318, 424, 438, 584, 622, 636, 876, 933, 1244, 1272, 1752, 1866, 2488, 3732, 3869, 7464, 7738, 11607, 15476, 16483, 22703, 23214, 30952, 32966, 45406, 46428, 49449, 65932, 68109, 90812, 92856, 98898, 131864, 136218, 181624, 197796, 272436, 395592, 544872, 1203259, 2406518, 3609777, 4813036, 7219554, 9626072, 14439108, 28878216]

約数ペア:

[(1, 28878216), (2, 14439108), (3, 9626072), (4, 7219554), (6, 4813036), (8, 3609777), (12, 2406518), (24, 1203259), (53, 544872), (73, 395592), (106, 272436), (146, 197796), (159, 181624), (212, 136218), (219, 131864), (292, 98898), (311, 92856), (318, 90812), (424, 68109), (438, 65932), (584, 49449), (622, 46428), (636, 45406), (876, 32966), (933, 30952), (1244, 23214), (1272, 22703), (1752, 16483), (1866, 15476), (2488, 11607), (3732, 7738), (3869, 7464)]