42745456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{205507}}^1$

素因数の和:205528

約数の個数: 20

約数和(自身を含む): 89190472

約数和(自身を除く): 46445016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 205507, 411014, 822028, 1644056, 2671591, 3288112, 5343182, 10686364, 21372728, 42745456]

約数ペア:

[(1, 42745456), (2, 21372728), (4, 10686364), (8, 5343182), (13, 3288112), (16, 2671591), (26, 1644056), (52, 822028), (104, 411014), (208, 205507)]