1405974784

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{379}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 2887844960

約数和(自身を除く): 1481870176

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 337, 344, 379, 674, 688, 758, 1348, 1376, 1516, 2696, 2752, 3032, 5392, 5504, 6064, 10784, 11008, 12128, 14491, 16297, 21568, 24256, 28982, 32594, 43136, 48512, 57964, 65188, 86272, 97024, 115928, 127723, 130376, 231856, 255446, 260752, 463712, 510892, 521504, 927424, 1021784, 1043008, 1854848, 2043568, 2086016, 3709696, 4087136, 4172032, 5492089, 8174272, 10984178, 16348544, 21968356, 32697088, 43936712, 87873424, 175746848, 351493696, 702987392, 1405974784]

約数ペア:

[(1, 1405974784), (2, 702987392), (4, 351493696), (8, 175746848), (16, 87873424), (32, 43936712), (43, 32697088), (64, 21968356), (86, 16348544), (128, 10984178), (172, 8174272), (256, 5492089), (337, 4172032), (344, 4087136), (379, 3709696), (674, 2086016), (688, 2043568), (758, 1854848), (1348, 1043008), (1376, 1021784), (1516, 927424), (2696, 521504), (2752, 510892), (3032, 463712), (5392, 260752), (5504, 255446), (6064, 231856), (10784, 130376), (11008, 127723), (12128, 115928), (14491, 97024), (16297, 86272), (21568, 65188), (24256, 57964), (28982, 48512), (32594, 43136)]