28871544

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 83119680

約数和(自身を除く): 54248136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 41, 52, 61, 74, 78, 82, 104, 111, 122, 123, 148, 156, 164, 183, 222, 244, 246, 296, 312, 328, 366, 444, 481, 488, 492, 533, 732, 793, 888, 962, 984, 1066, 1443, 1464, 1517, 1586, 1599, 1924, 2132, 2257, 2379, 2501, 2886, 3034, 3172, 3198, 3848, 4264, 4514, 4551, 4758, 5002, 5772, 6068, 6344, 6396, 6771, 7503, 9028, 9102, 9516, 10004, 11544, 12136, 12792, 13542, 15006, 18056, 18204, 19032, 19721, 20008, 27084, 29341, 30012, 32513, 36408, 39442, 54168, 58682, 59163, 60024, 65026, 78884, 88023, 92537, 97539, 117364, 118326, 130052, 157768, 176046, 185074, 195078, 234728, 236652, 260104, 277611, 352092, 370148, 390156, 473304, 555222, 704184, 740296, 780312, 1110444, 1202981, 2220888, 2405962, 3608943, 4811924, 7217886, 9623848, 14435772, 28871544]

約数ペア:

[(1, 28871544), (2, 14435772), (3, 9623848), (4, 7217886), (6, 4811924), (8, 3608943), (12, 2405962), (13, 2220888), (24, 1202981), (26, 1110444), (37, 780312), (39, 740296), (41, 704184), (52, 555222), (61, 473304), (74, 390156), (78, 370148), (82, 352092), (104, 277611), (111, 260104), (122, 236652), (123, 234728), (148, 195078), (156, 185074), (164, 176046), (183, 157768), (222, 130052), (244, 118326), (246, 117364), (296, 97539), (312, 92537), (328, 88023), (366, 78884), (444, 65026), (481, 60024), (488, 59163), (492, 58682), (533, 54168), (732, 39442), (793, 36408), (888, 32513), (962, 30012), (984, 29341), (1066, 27084), (1443, 20008), (1464, 19721), (1517, 19032), (1586, 18204), (1599, 18056), (1924, 15006), (2132, 13542), (2257, 12792), (2379, 12136), (2501, 11544), (2886, 10004), (3034, 9516), (3172, 9102), (3198, 9028), (3848, 7503), (4264, 6771), (4514, 6396), (4551, 6344), (4758, 6068), (5002, 5772)]