123968464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{407791}}^1$

素因数の和:407818

約数の個数: 20

約数和(自身を含む): 252831040

約数和(自身を除く): 128862576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 407791, 815582, 1631164, 3262328, 6524656, 7748029, 15496058, 30992116, 61984232, 123968464]

約数ペア:

[(1, 123968464), (2, 61984232), (4, 30992116), (8, 15496058), (16, 7748029), (19, 6524656), (38, 3262328), (76, 1631164), (152, 815582), (304, 407791)]