1378458

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 40

約数和(自身を含む): 3159552

約数和(自身を除く): 1781094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 127, 134, 162, 201, 254, 381, 402, 603, 762, 1143, 1206, 1809, 2286, 3429, 3618, 5427, 6858, 8509, 10287, 10854, 17018, 20574, 25527, 51054, 76581, 153162, 229743, 459486, 689229, 1378458]

約数ペア:

[(1, 1378458), (2, 689229), (3, 459486), (6, 229743), (9, 153162), (18, 76581), (27, 51054), (54, 25527), (67, 20574), (81, 17018), (127, 10854), (134, 10287), (162, 8509), (201, 6858), (254, 5427), (381, 3618), (402, 3429), (603, 2286), (762, 1809), (1143, 1206)]