139623484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34871}}^1$

素因数の和:34906

約数の個数: 48

約数和(自身を含む): 328075776

約数和(自身を除く): 188452292

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 34871, 69742, 139484, 244097, 383581, 453323, 488194, 767162, 906646, 976388, 1534324, 1813292, 2685067, 3173261, 4986553, 5370134, 6346522, 9973106, 10740268, 12693044, 19946212, 34905871, 69811742, 139623484]

約数ペア:

[(1, 139623484), (2, 69811742), (4, 34905871), (7, 19946212), (11, 12693044), (13, 10740268), (14, 9973106), (22, 6346522), (26, 5370134), (28, 4986553), (44, 3173261), (52, 2685067), (77, 1813292), (91, 1534324), (143, 976388), (154, 906646), (182, 767162), (286, 488194), (308, 453323), (364, 383581), (572, 244097), (1001, 139484), (2002, 69742), (4004, 34871)]