388957312

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 794327040

約数和(自身を除く): 405369728

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 127, 128, 142, 254, 284, 337, 508, 568, 674, 1016, 1136, 1348, 2032, 2272, 2696, 4064, 4544, 5392, 8128, 9017, 9088, 10784, 16256, 18034, 21568, 23927, 36068, 42799, 43136, 47854, 72136, 85598, 95708, 144272, 171196, 191416, 288544, 342392, 382832, 577088, 684784, 765664, 1154176, 1369568, 1531328, 2739136, 3038729, 3062656, 5478272, 6077458, 12154916, 24309832, 48619664, 97239328, 194478656, 388957312]

約数ペア:

[(1, 388957312), (2, 194478656), (4, 97239328), (8, 48619664), (16, 24309832), (32, 12154916), (64, 6077458), (71, 5478272), (127, 3062656), (128, 3038729), (142, 2739136), (254, 1531328), (284, 1369568), (337, 1154176), (508, 765664), (568, 684784), (674, 577088), (1016, 382832), (1136, 342392), (1348, 288544), (2032, 191416), (2272, 171196), (2696, 144272), (4064, 95708), (4544, 85598), (5392, 72136), (8128, 47854), (9017, 43136), (9088, 42799), (10784, 36068), (16256, 23927), (18034, 21568)]