40871831

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 18116329

約数列:

[1, 7, 11, 13, 19, 49, 77, 91, 133, 143, 209, 247, 307, 539, 637, 931, 1001, 1463, 1729, 2149, 2717, 3377, 3991, 5833, 7007, 10241, 12103, 15043, 19019, 23639, 27937, 40831, 43901, 64163, 75829, 133133, 165473, 195559, 285817, 307307, 449141, 530803, 834119, 2151149, 3143987, 3715621, 5838833, 40871831]

約数ペア:

[(1, 40871831), (7, 5838833), (11, 3715621), (13, 3143987), (19, 2151149), (49, 834119), (77, 530803), (91, 449141), (133, 307307), (143, 285817), (209, 195559), (247, 165473), (307, 133133), (539, 75829), (637, 64163), (931, 43901), (1001, 40831), (1463, 27937), (1729, 23639), (2149, 19019), (2717, 15043), (3377, 12103), (3991, 10241), (5833, 7007)]