87989584

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{54449}}^1$

素因数の和:54558

約数の個数: 20

約数和(自身を含む): 172170900

約数和(自身を除く): 84181316

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 54449, 108898, 217796, 435592, 871184, 5499349, 10998698, 21997396, 43994792, 87989584]

約数ペア:

[(1, 87989584), (2, 43994792), (4, 21997396), (8, 10998698), (16, 5499349), (101, 871184), (202, 435592), (404, 217796), (808, 108898), (1616, 54449)]