27661556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 26669644

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 89, 139, 172, 178, 278, 356, 556, 559, 1118, 1157, 1807, 2236, 2314, 3614, 3827, 4628, 5977, 7228, 7654, 11954, 12371, 15308, 23908, 24742, 49484, 49751, 77701, 99502, 155402, 160823, 199004, 310804, 321646, 531953, 643292, 1063906, 2127812, 6915389, 13830778, 27661556]

約数ペア:

[(1, 27661556), (2, 13830778), (4, 6915389), (13, 2127812), (26, 1063906), (43, 643292), (52, 531953), (86, 321646), (89, 310804), (139, 199004), (172, 160823), (178, 155402), (278, 99502), (356, 77701), (556, 49751), (559, 49484), (1118, 24742), (1157, 23908), (1807, 15308), (2236, 12371), (2314, 11954), (3614, 7654), (3827, 7228), (4628, 5977)]