28738178

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2942

約数の個数: 32

約数和(自身を含む): 53084160

約数和(自身を除く): 24345982

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 2879, 4991, 5758, 9982, 20153, 40306, 66217, 89249, 132434, 178498, 463519, 624743, 927038, 1249486, 2052727, 4105454, 14369089, 28738178]

約数ペア:

[(1, 28738178), (2, 14369089), (7, 4105454), (14, 2052727), (23, 1249486), (31, 927038), (46, 624743), (62, 463519), (161, 178498), (217, 132434), (322, 89249), (434, 66217), (713, 40306), (1426, 20153), (2879, 9982), (4991, 5758)]