68016884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 138156480

約数和(自身を除く): 70139596

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1601, 1634, 2236, 3202, 3268, 6404, 10621, 20813, 21242, 30419, 41626, 42484, 60838, 68843, 83252, 121676, 137686, 275372, 395447, 790894, 894959, 1308017, 1581788, 1789918, 2616034, 3579836, 5232068, 17004221, 34008442, 68016884]

約数ペア:

[(1, 68016884), (2, 34008442), (4, 17004221), (13, 5232068), (19, 3579836), (26, 2616034), (38, 1789918), (43, 1581788), (52, 1308017), (76, 894959), (86, 790894), (172, 395447), (247, 275372), (494, 137686), (559, 121676), (817, 83252), (988, 68843), (1118, 60838), (1601, 42484), (1634, 41626), (2236, 30419), (3202, 21242), (3268, 20813), (6404, 10621)]