28148144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 56371392

約数和(自身を除く): 28223248

約数列:

[1, 2, 4, 8, 16, 43, 86, 163, 172, 251, 326, 344, 502, 652, 688, 1004, 1304, 2008, 2608, 4016, 7009, 10793, 14018, 21586, 28036, 40913, 43172, 56072, 81826, 86344, 112144, 163652, 172688, 327304, 654608, 1759259, 3518518, 7037036, 14074072, 28148144]

約数ペア:

[(1, 28148144), (2, 14074072), (4, 7037036), (8, 3518518), (16, 1759259), (43, 654608), (86, 327304), (163, 172688), (172, 163652), (251, 112144), (326, 86344), (344, 81826), (502, 56072), (652, 43172), (688, 40913), (1004, 28036), (1304, 21586), (2008, 14018), (2608, 10793), (4016, 7009)]