1376123728

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{396349}}^1$

素因数の和:396395

約数の個数: 40

約数和(自身を含む): 3145433600

約数和(自身を除く): 1769309872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 396349, 792698, 1585396, 2774443, 3170792, 5548886, 6341584, 11097772, 12286819, 22195544, 24573638, 44391088, 49147276, 86007733, 98294552, 172015466, 196589104, 344030932, 688061864, 1376123728]

約数ペア:

[(1, 1376123728), (2, 688061864), (4, 344030932), (7, 196589104), (8, 172015466), (14, 98294552), (16, 86007733), (28, 49147276), (31, 44391088), (56, 24573638), (62, 22195544), (112, 12286819), (124, 11097772), (217, 6341584), (248, 5548886), (434, 3170792), (496, 2774443), (868, 1585396), (1736, 792698), (3472, 396349)]