278452734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{61961}}^1$

素因数の和:62080

約数の個数: 32

約数和(自身を含む): 642422016

約数和(自身を除く): 363969282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 61961, 123922, 185883, 371766, 433727, 867454, 1301181, 2602362, 6629827, 13259654, 19889481, 39778962, 46408789, 92817578, 139226367, 278452734]

約数ペア:

[(1, 278452734), (2, 139226367), (3, 92817578), (6, 46408789), (7, 39778962), (14, 19889481), (21, 13259654), (42, 6629827), (107, 2602362), (214, 1301181), (321, 867454), (642, 433727), (749, 371766), (1498, 185883), (2247, 123922), (4494, 61961)]