28851004

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 72

約数和(自身を含む): 64574160

約数和(自身を除く): 35723156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 67, 91, 98, 134, 169, 182, 196, 268, 338, 364, 469, 637, 676, 871, 938, 1183, 1274, 1742, 1876, 2197, 2366, 2548, 3283, 3484, 4394, 4732, 6097, 6566, 8281, 8788, 11323, 12194, 13132, 15379, 16562, 22646, 24388, 30758, 33124, 42679, 45292, 61516, 79261, 85358, 107653, 147199, 158522, 170716, 215306, 294398, 317044, 430612, 554827, 588796, 1030393, 1109654, 2060786, 2219308, 4121572, 7212751, 14425502, 28851004]

約数ペア:

[(1, 28851004), (2, 14425502), (4, 7212751), (7, 4121572), (13, 2219308), (14, 2060786), (26, 1109654), (28, 1030393), (49, 588796), (52, 554827), (67, 430612), (91, 317044), (98, 294398), (134, 215306), (169, 170716), (182, 158522), (196, 147199), (268, 107653), (338, 85358), (364, 79261), (469, 61516), (637, 45292), (676, 42679), (871, 33124), (938, 30758), (1183, 24388), (1274, 22646), (1742, 16562), (1876, 15379), (2197, 13132), (2366, 12194), (2548, 11323), (3283, 8788), (3484, 8281), (4394, 6566), (4732, 6097)]