1289632144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4242211}}^1$

素因数の和:4242238

約数の個数: 20

約数和(自身を含む): 2630171440

約数和(自身を除く): 1340539296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4242211, 8484422, 16968844, 33937688, 67875376, 80602009, 161204018, 322408036, 644816072, 1289632144]

約数ペア:

[(1, 1289632144), (2, 644816072), (4, 322408036), (8, 161204018), (16, 80602009), (19, 67875376), (38, 33937688), (76, 16968844), (152, 8484422), (304, 4242211)]