645013201

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{541}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 803582208

約数和(自身を除く): 158569007

約数列:

[1, 7, 17, 43, 119, 233, 301, 541, 731, 1631, 3787, 3961, 5117, 9197, 10019, 23263, 27727, 64379, 70133, 126053, 162841, 170323, 395471, 882371, 1192261, 2142901, 2768297, 5420279, 15000307, 37941953, 92144743, 645013201]

約数ペア:

[(1, 645013201), (7, 92144743), (17, 37941953), (43, 15000307), (119, 5420279), (233, 2768297), (301, 2142901), (541, 1192261), (731, 882371), (1631, 395471), (3787, 170323), (3961, 162841), (5117, 126053), (9197, 70133), (10019, 64379), (23263, 27727)]