81223672

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1847}}^1$

素因数の和:2115

約数の個数: 32

約数和(自身を含む): 159667200

約数和(自身を除く): 78443528

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 239, 478, 956, 1847, 1912, 3694, 5497, 7388, 10994, 14776, 21988, 42481, 43976, 84962, 169924, 339848, 441433, 882866, 1765732, 3531464, 10152959, 20305918, 40611836, 81223672]

約数ペア:

[(1, 81223672), (2, 40611836), (4, 20305918), (8, 10152959), (23, 3531464), (46, 1765732), (92, 882866), (184, 441433), (239, 339848), (478, 169924), (956, 84962), (1847, 43976), (1912, 42481), (3694, 21988), (5497, 14776), (7388, 10994)]