78921388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 171191104

約数和(自身を除く): 92269716

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 628, 1099, 1381, 2041, 2198, 2762, 4082, 4396, 5524, 8164, 9667, 14287, 17953, 19334, 28574, 35906, 38668, 57148, 71812, 125671, 216817, 251342, 433634, 502684, 867268, 1517719, 2818621, 3035438, 5637242, 6070876, 11274484, 19730347, 39460694, 78921388]

約数ペア:

[(1, 78921388), (2, 39460694), (4, 19730347), (7, 11274484), (13, 6070876), (14, 5637242), (26, 3035438), (28, 2818621), (52, 1517719), (91, 867268), (157, 502684), (182, 433634), (314, 251342), (364, 216817), (628, 125671), (1099, 71812), (1381, 57148), (2041, 38668), (2198, 35906), (2762, 28574), (4082, 19334), (4396, 17953), (5524, 14287), (8164, 9667)]