179987171

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2539}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 238963200

約数和(自身を除く): 58976029

約数列:

[1, 7, 13, 19, 41, 91, 133, 247, 287, 533, 779, 1729, 2539, 3731, 5453, 10127, 17773, 33007, 48241, 70889, 104099, 231049, 337687, 627133, 728693, 1353287, 1977881, 4389931, 9473009, 13845167, 25712453, 179987171]

約数ペア:

[(1, 179987171), (7, 25712453), (13, 13845167), (19, 9473009), (41, 4389931), (91, 1977881), (133, 1353287), (247, 728693), (287, 627133), (533, 337687), (779, 231049), (1729, 104099), (2539, 70889), (3731, 48241), (5453, 33007), (10127, 17773)]