278345214

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{736363}}^1$

素因数の和:736381

約数の個数: 32

約数和(自身を含む): 706909440

約数和(自身を除く): 428564226

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 736363, 1472726, 2209089, 4418178, 5154541, 6627267, 10309082, 13254534, 15463623, 19881801, 30927246, 39763602, 46390869, 92781738, 139172607, 278345214]

約数ペア:

[(1, 278345214), (2, 139172607), (3, 92781738), (6, 46390869), (7, 39763602), (9, 30927246), (14, 19881801), (18, 15463623), (21, 13254534), (27, 10309082), (42, 6627267), (54, 5154541), (63, 4418178), (126, 2209089), (189, 1472726), (378, 736363)]