81248752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4027}}^1$

素因数の和:4145

約数の個数: 40

約数和(自身を含む): 171318896

約数和(自身を除く): 90070144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1552, 2522, 4027, 5044, 8054, 10088, 16108, 20176, 32216, 52351, 64432, 104702, 209404, 390619, 418808, 781238, 837616, 1562476, 3124952, 5078047, 6249904, 10156094, 20312188, 40624376, 81248752]

約数ペア:

[(1, 81248752), (2, 40624376), (4, 20312188), (8, 10156094), (13, 6249904), (16, 5078047), (26, 3124952), (52, 1562476), (97, 837616), (104, 781238), (194, 418808), (208, 390619), (388, 209404), (776, 104702), (1261, 64432), (1552, 52351), (2522, 32216), (4027, 20176), (5044, 16108), (8054, 10088)]