156978224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{754703}}^1$

素因数の和:754724

約数の個数: 20

約数和(自身を含む): 327541536

約数和(自身を除く): 170563312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 754703, 1509406, 3018812, 6037624, 9811139, 12075248, 19622278, 39244556, 78489112, 156978224]

約数ペア:

[(1, 156978224), (2, 78489112), (4, 39244556), (8, 19622278), (13, 12075248), (16, 9811139), (26, 6037624), (52, 3018812), (104, 1509406), (208, 754703)]