129968804

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{18493}}^1$

素因数の和:18755

約数の個数: 24

約数和(自身を含む): 260987328

約数和(自身を除く): 131018524

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3514, 7028, 18493, 36986, 73972, 129451, 258902, 517804, 4641743, 9283486, 18566972, 32492201, 64984402, 129968804]

約数ペア:

[(1, 129968804), (2, 64984402), (4, 32492201), (7, 18566972), (14, 9283486), (28, 4641743), (251, 517804), (502, 258902), (1004, 129451), (1757, 73972), (3514, 36986), (7028, 18493)]