68920688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 138610176

約数和(自身を除く): 69689488

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 283, 491, 496, 566, 982, 1132, 1964, 2264, 3928, 4528, 7856, 8773, 15221, 17546, 30442, 35092, 60884, 70184, 121768, 138953, 140368, 243536, 277906, 555812, 1111624, 2223248, 4307543, 8615086, 17230172, 34460344, 68920688]

約数ペア:

[(1, 68920688), (2, 34460344), (4, 17230172), (8, 8615086), (16, 4307543), (31, 2223248), (62, 1111624), (124, 555812), (248, 277906), (283, 243536), (491, 140368), (496, 138953), (566, 121768), (982, 70184), (1132, 60884), (1964, 35092), (2264, 30442), (3928, 17546), (4528, 15221), (7856, 8773)]