28415556

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:610

約数の個数: 96

約数和(自身を含む): 81630080

約数和(自身を除く): 53214524

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 74, 78, 108, 111, 117, 148, 156, 222, 234, 333, 351, 444, 468, 481, 547, 666, 702, 962, 999, 1094, 1332, 1404, 1443, 1641, 1924, 1998, 2188, 2886, 3282, 3996, 4329, 4923, 5772, 6564, 7111, 8658, 9846, 12987, 14222, 14769, 17316, 19692, 20239, 21333, 25974, 28444, 29538, 40478, 42666, 51948, 59076, 60717, 63999, 80956, 85332, 121434, 127998, 182151, 191997, 242868, 255996, 263107, 364302, 383994, 526214, 546453, 728604, 767988, 789321, 1052428, 1092906, 1578642, 2185812, 2367963, 3157284, 4735926, 7103889, 9471852, 14207778, 28415556]

約数ペア:

[(1, 28415556), (2, 14207778), (3, 9471852), (4, 7103889), (6, 4735926), (9, 3157284), (12, 2367963), (13, 2185812), (18, 1578642), (26, 1092906), (27, 1052428), (36, 789321), (37, 767988), (39, 728604), (52, 546453), (54, 526214), (74, 383994), (78, 364302), (108, 263107), (111, 255996), (117, 242868), (148, 191997), (156, 182151), (222, 127998), (234, 121434), (333, 85332), (351, 80956), (444, 63999), (468, 60717), (481, 59076), (547, 51948), (666, 42666), (702, 40478), (962, 29538), (999, 28444), (1094, 25974), (1332, 21333), (1404, 20239), (1443, 19692), (1641, 17316), (1924, 14769), (1998, 14222), (2188, 12987), (2886, 9846), (3282, 8658), (3996, 7111), (4329, 6564), (4923, 5772)]