181528996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 355057920

約数和(自身を除く): 173528924

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 139, 268, 278, 443, 556, 737, 886, 1474, 1529, 1772, 2948, 3058, 4873, 6116, 9313, 9746, 18626, 19492, 29681, 37252, 59362, 61577, 102443, 118724, 123154, 204886, 246308, 326491, 409772, 652982, 677347, 1305964, 1354694, 2709388, 4125659, 8251318, 16502636, 45382249, 90764498, 181528996]

約数ペア:

[(1, 181528996), (2, 90764498), (4, 45382249), (11, 16502636), (22, 8251318), (44, 4125659), (67, 2709388), (134, 1354694), (139, 1305964), (268, 677347), (278, 652982), (443, 409772), (556, 326491), (737, 246308), (886, 204886), (1474, 123154), (1529, 118724), (1772, 102443), (2948, 61577), (3058, 59362), (4873, 37252), (6116, 29681), (9313, 19492), (9746, 18626)]