81646989118

素因数分解:

$2^1\times {\mathrm{641}}^1\times {\mathrm{2557}}^1\times {\mathrm{24907}}^1$

素因数の和:28107

約数の個数: 16

約数和(自身を含む): 122714442864

約数和(自身を除く): 41067453746

約数列:

[1, 2, 641, 1282, 2557, 5114, 24907, 49814, 1639037, 3278074, 15965387, 31930774, 63687199, 127374398, 40823494559, 81646989118]

約数ペア:

[(1, 81646989118), (2, 40823494559), (641, 127374398), (1282, 63687199), (2557, 31930774), (5114, 15965387), (24907, 3278074), (49814, 1639037)]