12921036208

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{4441}}^1$

素因数の和:4622

約数の個数: 80

約数和(自身を含む): 26412345216

約数和(自身を除く): 13491309008

約数列:

[1, 2, 4, 8, 16, 47, 53, 73, 94, 106, 146, 188, 212, 292, 376, 424, 584, 752, 848, 1168, 2491, 3431, 3869, 4441, 4982, 6862, 7738, 8882, 9964, 13724, 15476, 17764, 19928, 27448, 30952, 35528, 39856, 54896, 61904, 71056, 181843, 208727, 235373, 324193, 363686, 417454, 470746, 648386, 727372, 834908, 941492, 1296772, 1454744, 1669816, 1882984, 2593544, 2909488, 3339632, 3765968, 5187088, 11062531, 15237071, 17182229, 22125062, 30474142, 34364458, 44250124, 60948284, 68728916, 88500248, 121896568, 137457832, 177000496, 243793136, 274915664, 807564763, 1615129526, 3230259052, 6460518104, 12921036208]

約数ペア:

[(1, 12921036208), (2, 6460518104), (4, 3230259052), (8, 1615129526), (16, 807564763), (47, 274915664), (53, 243793136), (73, 177000496), (94, 137457832), (106, 121896568), (146, 88500248), (188, 68728916), (212, 60948284), (292, 44250124), (376, 34364458), (424, 30474142), (584, 22125062), (752, 17182229), (848, 15237071), (1168, 11062531), (2491, 5187088), (3431, 3765968), (3869, 3339632), (4441, 2909488), (4982, 2593544), (6862, 1882984), (7738, 1669816), (8882, 1454744), (9964, 1296772), (13724, 941492), (15476, 834908), (17764, 727372), (19928, 648386), (27448, 470746), (30952, 417454), (35528, 363686), (39856, 324193), (54896, 235373), (61904, 208727), (71056, 181843)]