641005352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{198823}}^1$

素因数の和:198873

約数の個数: 32

約数和(自身を含む): 1336097280

約数和(自身を除く): 695091928

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 198823, 397646, 795292, 1590584, 2584699, 5169398, 6163513, 10338796, 12327026, 20677592, 24654052, 49308104, 80125669, 160251338, 320502676, 641005352]

約数ペア:

[(1, 641005352), (2, 320502676), (4, 160251338), (8, 80125669), (13, 49308104), (26, 24654052), (31, 20677592), (52, 12327026), (62, 10338796), (104, 6163513), (124, 5169398), (248, 2584699), (403, 1590584), (806, 795292), (1612, 397646), (3224, 198823)]