403928144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1328711}}^1$

素因数の和:1328738

約数の個数: 20

約数和(自身を含む): 823801440

約数和(自身を除く): 419873296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1328711, 2657422, 5314844, 10629688, 21259376, 25245509, 50491018, 100982036, 201964072, 403928144]

約数ペア:

[(1, 403928144), (2, 201964072), (4, 100982036), (8, 50491018), (16, 25245509), (19, 21259376), (38, 10629688), (76, 5314844), (152, 2657422), (304, 1328711)]