81243808

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{81899}}^1$

素因数の和:81940

約数の個数: 24

約数和(自身を含む): 165110400

約数和(自身を除く): 83866592

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 81899, 163798, 327596, 655192, 1310384, 2538869, 2620768, 5077738, 10155476, 20310952, 40621904, 81243808]

約数ペア:

[(1, 81243808), (2, 40621904), (4, 20310952), (8, 10155476), (16, 5077738), (31, 2620768), (32, 2538869), (62, 1310384), (124, 655192), (248, 327596), (496, 163798), (992, 81899)]