209464528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 502217856

約数和(自身を除く): 292753328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 293, 364, 491, 586, 728, 982, 1172, 1456, 1964, 2051, 2344, 3437, 3809, 3928, 4102, 4688, 6383, 6874, 7618, 7856, 8204, 12766, 13748, 15236, 16408, 25532, 26663, 27496, 30472, 32816, 44681, 51064, 53326, 54992, 60944, 89362, 102128, 106652, 143863, 178724, 213304, 287726, 357448, 426608, 575452, 714896, 1007041, 1150904, 1870219, 2014082, 2301808, 3740438, 4028164, 7480876, 8056328, 13091533, 14961752, 16112656, 26183066, 29923504, 52366132, 104732264, 209464528]

約数ペア:

[(1, 209464528), (2, 104732264), (4, 52366132), (7, 29923504), (8, 26183066), (13, 16112656), (14, 14961752), (16, 13091533), (26, 8056328), (28, 7480876), (52, 4028164), (56, 3740438), (91, 2301808), (104, 2014082), (112, 1870219), (182, 1150904), (208, 1007041), (293, 714896), (364, 575452), (491, 426608), (586, 357448), (728, 287726), (982, 213304), (1172, 178724), (1456, 143863), (1964, 106652), (2051, 102128), (2344, 89362), (3437, 60944), (3809, 54992), (3928, 53326), (4102, 51064), (4688, 44681), (6383, 32816), (6874, 30472), (7618, 27496), (7856, 26663), (8204, 25532), (12766, 16408), (13748, 15236)]