68480178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 154140672

約数和(自身を除く): 85660494

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 127, 186, 223, 254, 381, 403, 446, 669, 762, 806, 1209, 1338, 1651, 2418, 2899, 3302, 3937, 4953, 5798, 6913, 7874, 8697, 9906, 11811, 13826, 17394, 20739, 23622, 28321, 41478, 51181, 56642, 84963, 89869, 102362, 153543, 169926, 179738, 269607, 307086, 368173, 539214, 736346, 877951, 1104519, 1755902, 2209038, 2633853, 5267706, 11413363, 22826726, 34240089, 68480178]

約数ペア:

[(1, 68480178), (2, 34240089), (3, 22826726), (6, 11413363), (13, 5267706), (26, 2633853), (31, 2209038), (39, 1755902), (62, 1104519), (78, 877951), (93, 736346), (127, 539214), (186, 368173), (223, 307086), (254, 269607), (381, 179738), (403, 169926), (446, 153543), (669, 102362), (762, 89869), (806, 84963), (1209, 56642), (1338, 51181), (1651, 41478), (2418, 28321), (2899, 23622), (3302, 20739), (3937, 17394), (4953, 13826), (5798, 11811), (6913, 9906), (7874, 8697)]