398862128

素因数分解:

$2^4\times 7^1\times {\mathrm{607}}^1\times {\mathrm{5867}}^1$

素因数の和:6489

約数の個数: 40

約数和(自身を含む): 884800512

約数和(自身を除く): 485938384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 607, 1214, 2428, 4249, 4856, 5867, 8498, 9712, 11734, 16996, 23468, 33992, 41069, 46936, 67984, 82138, 93872, 164276, 328552, 657104, 3561269, 7122538, 14245076, 24928883, 28490152, 49857766, 56980304, 99715532, 199431064, 398862128]

約数ペア:

[(1, 398862128), (2, 199431064), (4, 99715532), (7, 56980304), (8, 49857766), (14, 28490152), (16, 24928883), (28, 14245076), (56, 7122538), (112, 3561269), (607, 657104), (1214, 328552), (2428, 164276), (4249, 93872), (4856, 82138), (5867, 67984), (8498, 46936), (9712, 41069), (11734, 33992), (16996, 23468)]