28897232

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 69995520

約数和(自身を除く): 41098288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 89, 91, 104, 112, 178, 182, 208, 223, 356, 364, 446, 623, 712, 728, 892, 1157, 1246, 1424, 1456, 1561, 1784, 2314, 2492, 2899, 3122, 3568, 4628, 4984, 5798, 6244, 8099, 9256, 9968, 11596, 12488, 16198, 18512, 19847, 20293, 23192, 24976, 32396, 39694, 40586, 46384, 64792, 79388, 81172, 129584, 138929, 158776, 162344, 258011, 277858, 317552, 324688, 516022, 555716, 1032044, 1111432, 1806077, 2064088, 2222864, 3612154, 4128176, 7224308, 14448616, 28897232]

約数ペア:

[(1, 28897232), (2, 14448616), (4, 7224308), (7, 4128176), (8, 3612154), (13, 2222864), (14, 2064088), (16, 1806077), (26, 1111432), (28, 1032044), (52, 555716), (56, 516022), (89, 324688), (91, 317552), (104, 277858), (112, 258011), (178, 162344), (182, 158776), (208, 138929), (223, 129584), (356, 81172), (364, 79388), (446, 64792), (623, 46384), (712, 40586), (728, 39694), (892, 32396), (1157, 24976), (1246, 23192), (1424, 20293), (1456, 19847), (1561, 18512), (1784, 16198), (2314, 12488), (2492, 11596), (2899, 9968), (3122, 9256), (3568, 8099), (4628, 6244), (4984, 5798)]