1245868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 2510760

約数和(自身を除く): 1264892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 169, 194, 247, 338, 388, 494, 676, 988, 1261, 1843, 2522, 3211, 3686, 5044, 6422, 7372, 12844, 16393, 23959, 32786, 47918, 65572, 95836, 311467, 622934, 1245868]

約数ペア:

[(1, 1245868), (2, 622934), (4, 311467), (13, 95836), (19, 65572), (26, 47918), (38, 32786), (52, 23959), (76, 16393), (97, 12844), (169, 7372), (194, 6422), (247, 5044), (338, 3686), (388, 3211), (494, 2522), (676, 1843), (988, 1261)]