128420362

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{398821}}^1$

素因数の和:398853

約数の個数: 16

約数和(自身を含む): 229721472

約数和(自身を除く): 101301110

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 398821, 797642, 2791747, 5583494, 9172883, 18345766, 64210181, 128420362]

約数ペア:

[(1, 128420362), (2, 64210181), (7, 18345766), (14, 9172883), (23, 5583494), (46, 2791747), (161, 797642), (322, 398821)]