1977872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 4254936

約数和(自身を除く): 2277064

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 257, 296, 481, 514, 592, 962, 1028, 1924, 2056, 3341, 3848, 4112, 6682, 7696, 9509, 13364, 19018, 26728, 38036, 53456, 76072, 123617, 152144, 247234, 494468, 988936, 1977872]

約数ペア:

[(1, 1977872), (2, 988936), (4, 494468), (8, 247234), (13, 152144), (16, 123617), (26, 76072), (37, 53456), (52, 38036), (74, 26728), (104, 19018), (148, 13364), (208, 9509), (257, 7696), (296, 6682), (481, 4112), (514, 3848), (592, 3341), (962, 2056), (1028, 1924)]