28387944

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{2333}}^1$

素因数の和:2371

約数の個数: 72

約数和(自身を含む): 83288790

約数和(自身を除く): 54900846

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 2333, 3042, 4056, 4666, 6084, 6999, 9332, 12168, 13998, 18664, 20997, 27996, 30329, 41994, 55992, 60658, 83988, 90987, 121316, 167976, 181974, 242632, 272961, 363948, 394277, 545922, 727896, 788554, 1091844, 1182831, 1577108, 2183688, 2365662, 3154216, 3548493, 4731324, 7096986, 9462648, 14193972, 28387944]

約数ペア:

[(1, 28387944), (2, 14193972), (3, 9462648), (4, 7096986), (6, 4731324), (8, 3548493), (9, 3154216), (12, 2365662), (13, 2183688), (18, 1577108), (24, 1182831), (26, 1091844), (36, 788554), (39, 727896), (52, 545922), (72, 394277), (78, 363948), (104, 272961), (117, 242632), (156, 181974), (169, 167976), (234, 121316), (312, 90987), (338, 83988), (468, 60658), (507, 55992), (676, 41994), (936, 30329), (1014, 27996), (1352, 20997), (1521, 18664), (2028, 13998), (2333, 12168), (3042, 9332), (4056, 6999), (4666, 6084)]