77893855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 110103840

約数和(自身を除く): 32209985

約数列:

[1, 5, 13, 29, 31, 43, 65, 145, 155, 215, 377, 403, 559, 899, 961, 1247, 1333, 1885, 2015, 2795, 4495, 4805, 6235, 6665, 11687, 12493, 16211, 17329, 27869, 38657, 41323, 58435, 62465, 81055, 86645, 139345, 193285, 206615, 362297, 502541, 537199, 1198367, 1811485, 2512705, 2685995, 5991835, 15578771, 77893855]

約数ペア:

[(1, 77893855), (5, 15578771), (13, 5991835), (29, 2685995), (31, 2512705), (43, 1811485), (65, 1198367), (145, 537199), (155, 502541), (215, 362297), (377, 206615), (403, 193285), (559, 139345), (899, 86645), (961, 81055), (1247, 62465), (1333, 58435), (1885, 41323), (2015, 38657), (2795, 27869), (4495, 17329), (4805, 16211), (6235, 12493), (6665, 11687)]