1028505890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{785119}}^1$

素因数の和:785257

約数の個数: 16

約数和(自身を含む): 1865445120

約数和(自身を除く): 836939230

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 785119, 1570238, 3925595, 7851190, 102850589, 205701178, 514252945, 1028505890]

約数ペア:

[(1, 1028505890), (2, 514252945), (5, 205701178), (10, 102850589), (131, 7851190), (262, 3925595), (655, 1570238), (1310, 785119)]