28118972

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 31877188

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 644, 658, 929, 1081, 1316, 1858, 2162, 3716, 4324, 6503, 7567, 13006, 15134, 21367, 26012, 30268, 42734, 43663, 85468, 87326, 149569, 174652, 299138, 305641, 598276, 611282, 1004249, 1222564, 2008498, 4016996, 7029743, 14059486, 28118972]

約数ペア:

[(1, 28118972), (2, 14059486), (4, 7029743), (7, 4016996), (14, 2008498), (23, 1222564), (28, 1004249), (46, 611282), (47, 598276), (92, 305641), (94, 299138), (161, 174652), (188, 149569), (322, 87326), (329, 85468), (644, 43663), (658, 42734), (929, 30268), (1081, 26012), (1316, 21367), (1858, 15134), (2162, 13006), (3716, 7567), (4324, 6503)]