28807884

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{2333}}^1$

素因数の和:2364

約数の個数: 72

約数和(自身を含む): 84957600

約数和(自身を除く): 56149716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 2333, 3087, 4116, 4666, 6174, 6999, 9332, 12348, 13998, 16331, 20997, 27996, 32662, 41994, 48993, 65324, 83988, 97986, 114317, 146979, 195972, 228634, 293958, 342951, 457268, 587916, 685902, 800219, 1028853, 1371804, 1600438, 2057706, 2400657, 3200876, 4115412, 4801314, 7201971, 9602628, 14403942, 28807884]

約数ペア:

[(1, 28807884), (2, 14403942), (3, 9602628), (4, 7201971), (6, 4801314), (7, 4115412), (9, 3200876), (12, 2400657), (14, 2057706), (18, 1600438), (21, 1371804), (28, 1028853), (36, 800219), (42, 685902), (49, 587916), (63, 457268), (84, 342951), (98, 293958), (126, 228634), (147, 195972), (196, 146979), (252, 114317), (294, 97986), (343, 83988), (441, 65324), (588, 48993), (686, 41994), (882, 32662), (1029, 27996), (1372, 20997), (1764, 16331), (2058, 13998), (2333, 12348), (3087, 9332), (4116, 6999), (4666, 6174)]