81299432

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 155131200

約数和(自身を除く): 73831768

約数列:

[1, 2, 4, 8, 113, 139, 226, 278, 452, 556, 647, 904, 1112, 1294, 2588, 5176, 15707, 31414, 62828, 73111, 89933, 125656, 146222, 179866, 292444, 359732, 584888, 719464, 10162429, 20324858, 40649716, 81299432]

約数ペア:

[(1, 81299432), (2, 40649716), (4, 20324858), (8, 10162429), (113, 719464), (139, 584888), (226, 359732), (278, 292444), (452, 179866), (556, 146222), (647, 125656), (904, 89933), (1112, 73111), (1294, 62828), (2588, 31414), (5176, 15707)]