68345584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{587}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 139991040

約数和(自身を除く): 71645456

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 383, 587, 766, 1174, 1532, 2348, 3064, 4696, 6128, 7277, 9392, 11153, 14554, 22306, 29108, 44612, 58216, 89224, 116432, 178448, 224821, 449642, 899284, 1798568, 3597136, 4271599, 8543198, 17086396, 34172792, 68345584]

約数ペア:

[(1, 68345584), (2, 34172792), (4, 17086396), (8, 8543198), (16, 4271599), (19, 3597136), (38, 1798568), (76, 899284), (152, 449642), (304, 224821), (383, 178448), (587, 116432), (766, 89224), (1174, 58216), (1532, 44612), (2348, 29108), (3064, 22306), (4696, 14554), (6128, 11153), (7277, 9392)]