81752632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 171531360

約数和(自身を除く): 89778728

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 101, 104, 172, 181, 202, 344, 362, 404, 559, 724, 808, 1118, 1313, 1448, 2236, 2353, 2626, 4343, 4472, 4706, 5252, 7783, 8686, 9412, 10504, 15566, 17372, 18281, 18824, 31132, 34744, 36562, 56459, 62264, 73124, 101179, 112918, 146248, 202358, 225836, 237653, 404716, 451672, 475306, 786083, 809432, 950612, 1572166, 1901224, 3144332, 6288664, 10219079, 20438158, 40876316, 81752632]

約数ペア:

[(1, 81752632), (2, 40876316), (4, 20438158), (8, 10219079), (13, 6288664), (26, 3144332), (43, 1901224), (52, 1572166), (86, 950612), (101, 809432), (104, 786083), (172, 475306), (181, 451672), (202, 404716), (344, 237653), (362, 225836), (404, 202358), (559, 146248), (724, 112918), (808, 101179), (1118, 73124), (1313, 62264), (1448, 56459), (2236, 36562), (2353, 34744), (2626, 31132), (4343, 18824), (4472, 18281), (4706, 17372), (5252, 15566), (7783, 10504), (8686, 9412)]