81221964

素因数分解:

$2^2\times 3^1\times {\mathrm{2239}}^1\times {\mathrm{3023}}^1$

素因数の和:5269

約数の個数: 24

約数和(自身を含む): 189665280

約数和(自身を除く): 108443316

約数列:

[1, 2, 3, 4, 6, 12, 2239, 3023, 4478, 6046, 6717, 8956, 9069, 12092, 13434, 18138, 26868, 36276, 6768497, 13536994, 20305491, 27073988, 40610982, 81221964]

約数ペア:

[(1, 81221964), (2, 40610982), (3, 27073988), (4, 20305491), (6, 13536994), (12, 6768497), (2239, 36276), (3023, 26868), (4478, 18138), (6046, 13434), (6717, 12092), (8956, 9069)]