40637751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 32352969

約数列:

[1, 3, 7, 11, 19, 21, 33, 47, 57, 77, 133, 141, 197, 209, 231, 329, 399, 517, 591, 627, 893, 987, 1379, 1463, 1551, 2167, 2679, 3619, 3743, 4137, 4389, 6251, 6501, 9259, 9823, 10857, 11229, 15169, 18753, 26201, 27777, 29469, 41173, 45507, 64813, 68761, 78603, 101849, 123519, 175921, 194439, 206283, 288211, 305547, 527763, 712943, 864633, 1231447, 1935131, 2138829, 3694341, 5805393, 13545917, 40637751]

約数ペア:

[(1, 40637751), (3, 13545917), (7, 5805393), (11, 3694341), (19, 2138829), (21, 1935131), (33, 1231447), (47, 864633), (57, 712943), (77, 527763), (133, 305547), (141, 288211), (197, 206283), (209, 194439), (231, 175921), (329, 123519), (399, 101849), (517, 78603), (591, 68761), (627, 64813), (893, 45507), (987, 41173), (1379, 29469), (1463, 27777), (1551, 26201), (2167, 18753), (2679, 15169), (3619, 11229), (3743, 10857), (4137, 9823), (4389, 9259), (6251, 6501)]