81187652

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3329}}^1$

素因数の和:3420

約数の個数: 48

約数和(自身を含む): 177528960

約数和(自身を除く): 96341308

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 182, 268, 364, 469, 871, 938, 1742, 1876, 3329, 3484, 6097, 6658, 12194, 13316, 23303, 24388, 43277, 46606, 86554, 93212, 173108, 223043, 302939, 446086, 605878, 892172, 1211756, 1561301, 2899559, 3122602, 5799118, 6245204, 11598236, 20296913, 40593826, 81187652]

約数ペア:

[(1, 81187652), (2, 40593826), (4, 20296913), (7, 11598236), (13, 6245204), (14, 5799118), (26, 3122602), (28, 2899559), (52, 1561301), (67, 1211756), (91, 892172), (134, 605878), (182, 446086), (268, 302939), (364, 223043), (469, 173108), (871, 93212), (938, 86554), (1742, 46606), (1876, 43277), (3329, 24388), (3484, 23303), (6097, 13316), (6658, 12194)]