77801405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 105988608

約数和(自身を除く): 28187203

約数列:

[1, 5, 11, 43, 55, 67, 215, 335, 473, 491, 737, 2365, 2455, 2881, 3685, 5401, 14405, 21113, 27005, 31691, 32897, 105565, 158455, 164485, 232243, 361867, 1161215, 1414571, 1809335, 7072855, 15560281, 77801405]

約数ペア:

[(1, 77801405), (5, 15560281), (11, 7072855), (43, 1809335), (55, 1414571), (67, 1161215), (215, 361867), (335, 232243), (473, 164485), (491, 158455), (737, 105565), (2365, 32897), (2455, 31691), (2881, 27005), (3685, 21113), (5401, 14405)]