78689488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{258847}}^1$

素因数の和:258874

約数の個数: 20

約数和(自身を含む): 160485760

約数和(自身を除く): 81796272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 258847, 517694, 1035388, 2070776, 4141552, 4918093, 9836186, 19672372, 39344744, 78689488]

約数ペア:

[(1, 78689488), (2, 39344744), (4, 19672372), (8, 9836186), (16, 4918093), (19, 4141552), (38, 2070776), (76, 1035388), (152, 517694), (304, 258847)]