818991816

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{2011}}^1$

素因数の和:2330

約数の個数: 64

約数和(自身を含む): 2086041600

約数和(自身を除く): 1267049784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 239, 284, 426, 478, 568, 717, 852, 956, 1434, 1704, 1912, 2011, 2868, 4022, 5736, 6033, 8044, 12066, 16088, 16969, 24132, 33938, 48264, 50907, 67876, 101814, 135752, 142781, 203628, 285562, 407256, 428343, 480629, 571124, 856686, 961258, 1142248, 1441887, 1713372, 1922516, 2883774, 3426744, 3845032, 5767548, 11535096, 34124659, 68249318, 102373977, 136498636, 204747954, 272997272, 409495908, 818991816]

約数ペア:

[(1, 818991816), (2, 409495908), (3, 272997272), (4, 204747954), (6, 136498636), (8, 102373977), (12, 68249318), (24, 34124659), (71, 11535096), (142, 5767548), (213, 3845032), (239, 3426744), (284, 2883774), (426, 1922516), (478, 1713372), (568, 1441887), (717, 1142248), (852, 961258), (956, 856686), (1434, 571124), (1704, 480629), (1912, 428343), (2011, 407256), (2868, 285562), (4022, 203628), (5736, 142781), (6033, 135752), (8044, 101814), (12066, 67876), (16088, 50907), (16969, 48264), (24132, 33938)]