16857921025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 24127741440

約数和(自身を除く): 7269820415

約数列:

[1, 5, 11, 25, 43, 55, 59, 73, 215, 275, 295, 331, 365, 473, 649, 803, 1075, 1475, 1655, 1825, 2365, 2537, 3139, 3245, 3641, 4015, 4307, 8275, 11825, 12685, 14233, 15695, 16225, 18205, 19529, 20075, 21535, 24163, 27907, 34529, 47377, 63425, 71165, 78475, 91025, 97645, 107675, 120815, 139535, 156563, 172645, 185201, 214819, 236885, 265793, 355825, 488225, 604075, 697675, 782815, 839747, 863225, 926005, 1039009, 1074095, 1184425, 1328965, 1425617, 2037211, 3914075, 4198735, 4630025, 5195045, 5370475, 6644825, 7128085, 9237217, 10186055, 11429099, 15681787, 20993675, 25975225, 35640425, 46186085, 50930275, 57145495, 61301531, 78408935, 230930425, 285727475, 306507655, 392044675, 674316841, 1532538275, 3371584205, 16857921025]

約数ペア:

[(1, 16857921025), (5, 3371584205), (11, 1532538275), (25, 674316841), (43, 392044675), (55, 306507655), (59, 285727475), (73, 230930425), (215, 78408935), (275, 61301531), (295, 57145495), (331, 50930275), (365, 46186085), (473, 35640425), (649, 25975225), (803, 20993675), (1075, 15681787), (1475, 11429099), (1655, 10186055), (1825, 9237217), (2365, 7128085), (2537, 6644825), (3139, 5370475), (3245, 5195045), (3641, 4630025), (4015, 4198735), (4307, 3914075), (8275, 2037211), (11825, 1425617), (12685, 1328965), (14233, 1184425), (15695, 1074095), (16225, 1039009), (18205, 926005), (19529, 863225), (20075, 839747), (21535, 782815), (24163, 697675), (27907, 604075), (34529, 488225), (47377, 355825), (63425, 265793), (71165, 236885), (78475, 214819), (91025, 185201), (97645, 172645), (107675, 156563), (120815, 139535)]