77893156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{19891}}^1$

素因数の和:19995

約数の個数: 24

約数和(自身を含む): 150383520

約数和(自身を除く): 72490364

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 19891, 39782, 79564, 218801, 437602, 875204, 1770299, 3540598, 7081196, 19473289, 38946578, 77893156]

約数ペア:

[(1, 77893156), (2, 38946578), (4, 19473289), (11, 7081196), (22, 3540598), (44, 1770299), (89, 875204), (178, 437602), (356, 218801), (979, 79564), (1958, 39782), (3916, 19891)]