1277460016

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{72649}}^1$

素因数の和:72821

約数の個数: 40

約数和(自身を含む): 2846717600

約数和(自身を除く): 1569257584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 8792, 17584, 72649, 145298, 290596, 508543, 581192, 1017086, 1162384, 2034172, 4068344, 8136688, 11405893, 22811786, 45623572, 79841251, 91247144, 159682502, 182494288, 319365004, 638730008, 1277460016]

約数ペア:

[(1, 1277460016), (2, 638730008), (4, 319365004), (7, 182494288), (8, 159682502), (14, 91247144), (16, 79841251), (28, 45623572), (56, 22811786), (112, 11405893), (157, 8136688), (314, 4068344), (628, 2034172), (1099, 1162384), (1256, 1017086), (2198, 581192), (2512, 508543), (4396, 290596), (8792, 145298), (17584, 72649)]