287681492

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{144709}}^1$

素因数の和:144791

約数の個数: 24

約数和(自身を含む): 583470720

約数和(自身を除く): 295789228

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 144709, 289418, 578836, 1012963, 2025926, 4051852, 10274339, 20548678, 41097356, 71920373, 143840746, 287681492]

約数ペア:

[(1, 287681492), (2, 143840746), (4, 71920373), (7, 41097356), (14, 20548678), (28, 10274339), (71, 4051852), (142, 2025926), (284, 1012963), (497, 578836), (994, 289418), (1988, 144709)]