28994004

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 82131840

約数和(自身を除く): 53137836

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 107, 108, 117, 156, 193, 214, 234, 321, 351, 386, 428, 468, 579, 642, 702, 772, 963, 1158, 1284, 1391, 1404, 1737, 1926, 2316, 2509, 2782, 2889, 3474, 3852, 4173, 5018, 5211, 5564, 5778, 6948, 7527, 8346, 10036, 10422, 11556, 12519, 15054, 16692, 20651, 20844, 22581, 25038, 30108, 37557, 41302, 45162, 50076, 61953, 67743, 75114, 82604, 90324, 123906, 135486, 150228, 185859, 247812, 268463, 270972, 371718, 536926, 557577, 743436, 805389, 1073852, 1115154, 1610778, 2230308, 2416167, 3221556, 4832334, 7248501, 9664668, 14497002, 28994004]

約数ペア:

[(1, 28994004), (2, 14497002), (3, 9664668), (4, 7248501), (6, 4832334), (9, 3221556), (12, 2416167), (13, 2230308), (18, 1610778), (26, 1115154), (27, 1073852), (36, 805389), (39, 743436), (52, 557577), (54, 536926), (78, 371718), (107, 270972), (108, 268463), (117, 247812), (156, 185859), (193, 150228), (214, 135486), (234, 123906), (321, 90324), (351, 82604), (386, 75114), (428, 67743), (468, 61953), (579, 50076), (642, 45162), (702, 41302), (772, 37557), (963, 30108), (1158, 25038), (1284, 22581), (1391, 20844), (1404, 20651), (1737, 16692), (1926, 15054), (2316, 12519), (2509, 11556), (2782, 10422), (2889, 10036), (3474, 8346), (3852, 7527), (4173, 6948), (5018, 5778), (5211, 5564)]