28940808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 84268800

約数和(自身を除く): 55327992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 37, 39, 46, 52, 69, 74, 78, 92, 104, 109, 111, 138, 148, 156, 184, 218, 222, 276, 296, 299, 312, 327, 436, 444, 481, 552, 598, 654, 851, 872, 888, 897, 962, 1196, 1308, 1417, 1443, 1702, 1794, 1924, 2392, 2507, 2553, 2616, 2834, 2886, 3404, 3588, 3848, 4033, 4251, 5014, 5106, 5668, 5772, 6808, 7176, 7521, 8066, 8502, 10028, 10212, 11063, 11336, 11544, 12099, 15042, 16132, 17004, 20056, 20424, 22126, 24198, 30084, 32264, 32591, 33189, 34008, 44252, 48396, 52429, 60168, 65182, 66378, 88504, 92759, 96792, 97773, 104858, 130364, 132756, 157287, 185518, 195546, 209716, 260728, 265512, 278277, 314574, 371036, 391092, 419432, 556554, 629148, 742072, 782184, 1113108, 1205867, 1258296, 2226216, 2411734, 3617601, 4823468, 7235202, 9646936, 14470404, 28940808]

約数ペア:

[(1, 28940808), (2, 14470404), (3, 9646936), (4, 7235202), (6, 4823468), (8, 3617601), (12, 2411734), (13, 2226216), (23, 1258296), (24, 1205867), (26, 1113108), (37, 782184), (39, 742072), (46, 629148), (52, 556554), (69, 419432), (74, 391092), (78, 371036), (92, 314574), (104, 278277), (109, 265512), (111, 260728), (138, 209716), (148, 195546), (156, 185518), (184, 157287), (218, 132756), (222, 130364), (276, 104858), (296, 97773), (299, 96792), (312, 92759), (327, 88504), (436, 66378), (444, 65182), (481, 60168), (552, 52429), (598, 48396), (654, 44252), (851, 34008), (872, 33189), (888, 32591), (897, 32264), (962, 30084), (1196, 24198), (1308, 22126), (1417, 20424), (1443, 20056), (1702, 17004), (1794, 16132), (1924, 15042), (2392, 12099), (2507, 11544), (2553, 11336), (2616, 11063), (2834, 10212), (2886, 10028), (3404, 8502), (3588, 8066), (3848, 7521), (4033, 7176), (4251, 6808), (5014, 5772), (5106, 5668)]