1289014768

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{905207}}^1$

素因数の和:905304

約数の個数: 20

約数和(自身を含む): 2525530320

約数和(自身を除く): 1236515552

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 905207, 1810414, 3620828, 7241656, 14483312, 80563423, 161126846, 322253692, 644507384, 1289014768]

約数ペア:

[(1, 1289014768), (2, 644507384), (4, 322253692), (8, 161126846), (16, 80563423), (89, 14483312), (178, 7241656), (356, 3620828), (712, 1810414), (1424, 905207)]