645399078

素因数分解:

$2^1\times 3^1\times {\mathrm{353}}^1\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 1299225312

約数和(自身を除く): 653826234

約数列:

[1, 2, 3, 6, 353, 461, 661, 706, 922, 1059, 1322, 1383, 1983, 2118, 2766, 3966, 162733, 233333, 304721, 325466, 466666, 488199, 609442, 699999, 914163, 976398, 1399998, 1828326, 107566513, 215133026, 322699539, 645399078]

約数ペア:

[(1, 645399078), (2, 322699539), (3, 215133026), (6, 107566513), (353, 1828326), (461, 1399998), (661, 976398), (706, 914163), (922, 699999), (1059, 609442), (1322, 488199), (1383, 466666), (1983, 325466), (2118, 304721), (2766, 233333), (3966, 162733)]