81322124

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{120299}}^1$

素因数の和:120329

約数の個数: 18

約数和(自身を含む): 154104300

約数和(自身を除く): 72782176

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 120299, 240598, 481196, 1563887, 3127774, 6255548, 20330531, 40661062, 81322124]

約数ペア:

[(1, 81322124), (2, 40661062), (4, 20330531), (13, 6255548), (26, 3127774), (52, 1563887), (169, 481196), (338, 240598), (676, 120299)]