77994772

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{54013}}^1$

素因数の和:54055

約数の個数: 18

約数和(自身を含む): 144055338

約数和(自身を除く): 66060566

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 54013, 108026, 216052, 1026247, 2052494, 4104988, 19498693, 38997386, 77994772]

約数ペア:

[(1, 77994772), (2, 38997386), (4, 19498693), (19, 4104988), (38, 2052494), (76, 1026247), (361, 216052), (722, 108026), (1444, 54013)]