28855708

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 63316512

約数和(自身を除く): 34460804

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 49, 74, 92, 98, 148, 161, 173, 196, 259, 322, 346, 518, 644, 692, 851, 1036, 1127, 1211, 1702, 1813, 2254, 2422, 3404, 3626, 3979, 4508, 4844, 5957, 6401, 7252, 7958, 8477, 11914, 12802, 15916, 16954, 23828, 25604, 27853, 33908, 41699, 44807, 55706, 83398, 89614, 111412, 147223, 166796, 179228, 194971, 294446, 313649, 389942, 588892, 627298, 779884, 1030561, 1254596, 2061122, 4122244, 7213927, 14427854, 28855708]

約数ペア:

[(1, 28855708), (2, 14427854), (4, 7213927), (7, 4122244), (14, 2061122), (23, 1254596), (28, 1030561), (37, 779884), (46, 627298), (49, 588892), (74, 389942), (92, 313649), (98, 294446), (148, 194971), (161, 179228), (173, 166796), (196, 147223), (259, 111412), (322, 89614), (346, 83398), (518, 55706), (644, 44807), (692, 41699), (851, 33908), (1036, 27853), (1127, 25604), (1211, 23828), (1702, 16954), (1813, 15916), (2254, 12802), (2422, 11914), (3404, 8477), (3626, 7958), (3979, 7252), (4508, 6401), (4844, 5957)]