218148238

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 430064640

約数和(自身を除く): 211916402

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 242, 253, 322, 506, 509, 847, 1018, 1331, 1694, 1771, 2662, 2783, 3542, 3563, 5566, 5599, 7126, 9317, 11198, 11707, 18634, 19481, 23414, 30613, 38962, 39193, 61226, 61589, 78386, 81949, 123178, 128777, 163898, 214291, 257554, 428582, 431123, 677479, 862246, 901439, 1354958, 1416547, 1802878, 2833094, 4742353, 9484706, 9915829, 15582017, 19831658, 31164034, 109074119, 218148238]

約数ペア:

[(1, 218148238), (2, 109074119), (7, 31164034), (11, 19831658), (14, 15582017), (22, 9915829), (23, 9484706), (46, 4742353), (77, 2833094), (121, 1802878), (154, 1416547), (161, 1354958), (242, 901439), (253, 862246), (322, 677479), (506, 431123), (509, 428582), (847, 257554), (1018, 214291), (1331, 163898), (1694, 128777), (1771, 123178), (2662, 81949), (2783, 78386), (3542, 61589), (3563, 61226), (5566, 39193), (5599, 38962), (7126, 30613), (9317, 23414), (11198, 19481), (11707, 18634)]