84557890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{853}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 159376896

約数和(自身を除く): 74819006

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 431, 853, 862, 1706, 2155, 4265, 4310, 8530, 9913, 19619, 19826, 39238, 49565, 98095, 99130, 196190, 367643, 735286, 1838215, 3676430, 8455789, 16911578, 42278945, 84557890]

約数ペア:

[(1, 84557890), (2, 42278945), (5, 16911578), (10, 8455789), (23, 3676430), (46, 1838215), (115, 735286), (230, 367643), (431, 196190), (853, 99130), (862, 98095), (1706, 49565), (2155, 39238), (4265, 19826), (4310, 19619), (8530, 9913)]