1978862964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12685019}}^1$

素因数の和:12685039

約数の個数: 24

約数和(自身を含む): 4972527840

約数和(自身を除く): 2993664876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 12685019, 25370038, 38055057, 50740076, 76110114, 152220228, 164905247, 329810494, 494715741, 659620988, 989431482, 1978862964]

約数ペア:

[(1, 1978862964), (2, 989431482), (3, 659620988), (4, 494715741), (6, 329810494), (12, 164905247), (13, 152220228), (26, 76110114), (39, 50740076), (52, 38055057), (78, 25370038), (156, 12685019)]