28639656

素因数分解:

$2^3\times 3^4\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 80985300

約数和(自身を除く): 52345644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 193, 216, 229, 324, 386, 458, 579, 648, 687, 772, 916, 1158, 1374, 1544, 1737, 1832, 2061, 2316, 2748, 3474, 4122, 4632, 5211, 5496, 6183, 6948, 8244, 10422, 12366, 13896, 15633, 16488, 18549, 20844, 24732, 31266, 37098, 41688, 44197, 49464, 62532, 74196, 88394, 125064, 132591, 148392, 176788, 265182, 353576, 397773, 530364, 795546, 1060728, 1193319, 1591092, 2386638, 3182184, 3579957, 4773276, 7159914, 9546552, 14319828, 28639656]

約数ペア:

[(1, 28639656), (2, 14319828), (3, 9546552), (4, 7159914), (6, 4773276), (8, 3579957), (9, 3182184), (12, 2386638), (18, 1591092), (24, 1193319), (27, 1060728), (36, 795546), (54, 530364), (72, 397773), (81, 353576), (108, 265182), (162, 176788), (193, 148392), (216, 132591), (229, 125064), (324, 88394), (386, 74196), (458, 62532), (579, 49464), (648, 44197), (687, 41688), (772, 37098), (916, 31266), (1158, 24732), (1374, 20844), (1544, 18549), (1737, 16488), (1832, 15633), (2061, 13896), (2316, 12366), (2748, 10422), (3474, 8244), (4122, 6948), (4632, 6183), (5211, 5496)]