39981788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11801}}^1$

素因数の和:11834

約数の個数: 36

約数和(自身を含む): 87901296

約数和(自身を除く): 47919508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 11801, 23602, 47204, 82607, 129811, 165214, 259622, 330428, 519244, 908677, 1427921, 1817354, 2855842, 3634708, 5711684, 9995447, 19990894, 39981788]

約数ペア:

[(1, 39981788), (2, 19990894), (4, 9995447), (7, 5711684), (11, 3634708), (14, 2855842), (22, 1817354), (28, 1427921), (44, 908677), (77, 519244), (121, 330428), (154, 259622), (242, 165214), (308, 129811), (484, 82607), (847, 47204), (1694, 23602), (3388, 11801)]