78771496

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 159989760

約数和(自身を除く): 81218264

約数列:

[1, 2, 4, 8, 31, 41, 61, 62, 82, 122, 124, 127, 164, 244, 248, 254, 328, 488, 508, 1016, 1271, 1891, 2501, 2542, 3782, 3937, 5002, 5084, 5207, 7564, 7747, 7874, 10004, 10168, 10414, 15128, 15494, 15748, 20008, 20828, 30988, 31496, 41656, 61976, 77531, 155062, 161417, 240157, 310124, 317627, 322834, 480314, 620248, 635254, 645668, 960628, 1270508, 1291336, 1921256, 2541016, 9846437, 19692874, 39385748, 78771496]

約数ペア:

[(1, 78771496), (2, 39385748), (4, 19692874), (8, 9846437), (31, 2541016), (41, 1921256), (61, 1291336), (62, 1270508), (82, 960628), (122, 645668), (124, 635254), (127, 620248), (164, 480314), (244, 322834), (248, 317627), (254, 310124), (328, 240157), (488, 161417), (508, 155062), (1016, 77531), (1271, 61976), (1891, 41656), (2501, 31496), (2542, 30988), (3782, 20828), (3937, 20008), (5002, 15748), (5084, 15494), (5207, 15128), (7564, 10414), (7747, 10168), (7874, 10004)]