81491152

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268063}}^1$

素因数の和:268090

約数の個数: 20

約数和(自身を含む): 166199680

約数和(自身を除く): 84708528

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268063, 536126, 1072252, 2144504, 4289008, 5093197, 10186394, 20372788, 40745576, 81491152]

約数ペア:

[(1, 81491152), (2, 40745576), (4, 20372788), (8, 10186394), (16, 5093197), (19, 4289008), (38, 2144504), (76, 1072252), (152, 536126), (304, 268063)]