1291649716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{17467}}^1$

素因数の和:17636

約数の個数: 48

約数和(自身を含む): 2738982400

約数和(自身を除く): 1447332684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 266, 278, 532, 556, 973, 1946, 2641, 3892, 5282, 10564, 17467, 18487, 34934, 36974, 69868, 73948, 122269, 244538, 331873, 489076, 663746, 1327492, 2323111, 2427913, 4646222, 4855826, 9292444, 9711652, 16995391, 33990782, 46130347, 67981564, 92260694, 184521388, 322912429, 645824858, 1291649716]

約数ペア:

[(1, 1291649716), (2, 645824858), (4, 322912429), (7, 184521388), (14, 92260694), (19, 67981564), (28, 46130347), (38, 33990782), (76, 16995391), (133, 9711652), (139, 9292444), (266, 4855826), (278, 4646222), (532, 2427913), (556, 2323111), (973, 1327492), (1946, 663746), (2641, 489076), (3892, 331873), (5282, 244538), (10564, 122269), (17467, 73948), (18487, 69868), (34934, 36974)]