78551459

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 97200000

約数和(自身を除く): 18648541

約数列:

[1, 7, 29, 49, 53, 149, 203, 343, 371, 1043, 1421, 1537, 2597, 4321, 7301, 7897, 9947, 10759, 18179, 30247, 51107, 55279, 75313, 211729, 229013, 386953, 527191, 1482103, 1603091, 2708671, 11221637, 78551459]

約数ペア:

[(1, 78551459), (7, 11221637), (29, 2708671), (49, 1603091), (53, 1482103), (149, 527191), (203, 386953), (343, 229013), (371, 211729), (1043, 75313), (1421, 55279), (1537, 51107), (2597, 30247), (4321, 18179), (7301, 10759), (7897, 9947)]