28013544

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^2$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 82181190

約数和(自身を除く): 54167646

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 173, 234, 312, 346, 468, 519, 692, 936, 1038, 1384, 1557, 2076, 2249, 3114, 4152, 4498, 6228, 6747, 8996, 12456, 13494, 17992, 20241, 26988, 29929, 40482, 53976, 59858, 80964, 89787, 119716, 161928, 179574, 239432, 269361, 359148, 389077, 538722, 718296, 778154, 1077444, 1167231, 1556308, 2154888, 2334462, 3112616, 3501693, 4668924, 7003386, 9337848, 14006772, 28013544]

約数ペア:

[(1, 28013544), (2, 14006772), (3, 9337848), (4, 7003386), (6, 4668924), (8, 3501693), (9, 3112616), (12, 2334462), (13, 2154888), (18, 1556308), (24, 1167231), (26, 1077444), (36, 778154), (39, 718296), (52, 538722), (72, 389077), (78, 359148), (104, 269361), (117, 239432), (156, 179574), (173, 161928), (234, 119716), (312, 89787), (346, 80964), (468, 59858), (519, 53976), (692, 40482), (936, 29929), (1038, 26988), (1384, 20241), (1557, 17992), (2076, 13494), (2249, 12456), (3114, 8996), (4152, 6747), (4498, 6228)]