78465978

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{65063}}^1$

素因数の和:65138

約数の個数: 24

約数和(自身を含む): 172549728

約数和(自身を除く): 94083750

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 65063, 130126, 195189, 390378, 585567, 1171134, 4359221, 8718442, 13077663, 26155326, 39232989, 78465978]

約数ペア:

[(1, 78465978), (2, 39232989), (3, 26155326), (6, 13077663), (9, 8718442), (18, 4359221), (67, 1171134), (134, 585567), (201, 390378), (402, 195189), (603, 130126), (1206, 65063)]