28354144

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 108

約数和(自身を含む): 70972524

約数和(自身を除く): 42618380

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 107, 112, 169, 182, 196, 208, 214, 224, 338, 364, 392, 416, 428, 637, 676, 728, 749, 784, 856, 1183, 1274, 1352, 1391, 1456, 1498, 1568, 1712, 2366, 2548, 2704, 2782, 2912, 2996, 3424, 4732, 5096, 5243, 5408, 5564, 5992, 8281, 9464, 9737, 10192, 10486, 11128, 11984, 16562, 18083, 18928, 19474, 20384, 20972, 22256, 23968, 33124, 36166, 37856, 38948, 41944, 44512, 66248, 68159, 72332, 77896, 83888, 126581, 132496, 136318, 144664, 155792, 167776, 253162, 264992, 272636, 289328, 311584, 506324, 545272, 578656, 886067, 1012648, 1090544, 1772134, 2025296, 2181088, 3544268, 4050592, 7088536, 14177072, 28354144]

約数ペア:

[(1, 28354144), (2, 14177072), (4, 7088536), (7, 4050592), (8, 3544268), (13, 2181088), (14, 2025296), (16, 1772134), (26, 1090544), (28, 1012648), (32, 886067), (49, 578656), (52, 545272), (56, 506324), (91, 311584), (98, 289328), (104, 272636), (107, 264992), (112, 253162), (169, 167776), (182, 155792), (196, 144664), (208, 136318), (214, 132496), (224, 126581), (338, 83888), (364, 77896), (392, 72332), (416, 68159), (428, 66248), (637, 44512), (676, 41944), (728, 38948), (749, 37856), (784, 36166), (856, 33124), (1183, 23968), (1274, 22256), (1352, 20972), (1391, 20384), (1456, 19474), (1498, 18928), (1568, 18083), (1712, 16562), (2366, 11984), (2548, 11128), (2704, 10486), (2782, 10192), (2912, 9737), (2996, 9464), (3424, 8281), (4732, 5992), (5096, 5564), (5243, 5408)]