1280752

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 2856960

約数和(自身を除く): 1576208

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 383, 418, 766, 836, 1532, 1672, 3064, 3344, 4213, 6128, 7277, 8426, 14554, 16852, 29108, 33704, 58216, 67408, 80047, 116432, 160094, 320188, 640376, 1280752]

約数ペア:

[(1, 1280752), (2, 640376), (4, 320188), (8, 160094), (11, 116432), (16, 80047), (19, 67408), (22, 58216), (38, 33704), (44, 29108), (76, 16852), (88, 14554), (152, 8426), (176, 7277), (209, 6128), (304, 4213), (383, 3344), (418, 3064), (766, 1672), (836, 1532)]