90870972

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 215537280

約数和(自身を除く): 124666308

約数列:

[1, 2, 3, 4, 6, 12, 139, 157, 278, 314, 347, 417, 471, 556, 628, 694, 834, 942, 1041, 1388, 1668, 1884, 2082, 4164, 21823, 43646, 48233, 54479, 65469, 87292, 96466, 108958, 130938, 144699, 163437, 192932, 217916, 261876, 289398, 326874, 578796, 653748, 7572581, 15145162, 22717743, 30290324, 45435486, 90870972]

約数ペア:

[(1, 90870972), (2, 45435486), (3, 30290324), (4, 22717743), (6, 15145162), (12, 7572581), (139, 653748), (157, 578796), (278, 326874), (314, 289398), (347, 261876), (417, 217916), (471, 192932), (556, 163437), (628, 144699), (694, 130938), (834, 108958), (942, 96466), (1041, 87292), (1388, 65469), (1668, 54479), (1884, 48233), (2082, 43646), (4164, 21823)]