1338351344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{245299}}^1$

素因数の和:245349

約数の個数: 40

約数和(自身を含む): 2920051200

約数和(自身を除く): 1581699856

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 245299, 490598, 981196, 1962392, 2698289, 3924784, 5396578, 7604269, 10793156, 15208538, 21586312, 30417076, 43172624, 60834152, 83646959, 121668304, 167293918, 334587836, 669175672, 1338351344]

約数ペア:

[(1, 1338351344), (2, 669175672), (4, 334587836), (8, 167293918), (11, 121668304), (16, 83646959), (22, 60834152), (31, 43172624), (44, 30417076), (62, 21586312), (88, 15208538), (124, 10793156), (176, 7604269), (248, 5396578), (341, 3924784), (496, 2698289), (682, 1962392), (1364, 981196), (2728, 490598), (5456, 245299)]