68489964

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{4519}}^1$

素因数の和:4950

約数の個数: 36

約数和(自身を含む): 173577040

約数和(自身を除く): 105087076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2526, 3789, 4519, 5052, 7578, 9038, 13557, 15156, 18076, 27114, 40671, 54228, 81342, 162684, 1902499, 3804998, 5707497, 7609996, 11414994, 17122491, 22829988, 34244982, 68489964]

約数ペア:

[(1, 68489964), (2, 34244982), (3, 22829988), (4, 17122491), (6, 11414994), (9, 7609996), (12, 5707497), (18, 3804998), (36, 1902499), (421, 162684), (842, 81342), (1263, 54228), (1684, 40671), (2526, 27114), (3789, 18076), (4519, 15156), (5052, 13557), (7578, 9038)]