218905136

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4049}}^1$

素因数の和:4197

約数の個数: 40

約数和(自身を含む): 441936000

約数和(自身を除く): 223030864

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 436, 496, 872, 1744, 3379, 4049, 6758, 8098, 13516, 16196, 27032, 32392, 54064, 64784, 125519, 251038, 441341, 502076, 882682, 1004152, 1765364, 2008304, 3530728, 7061456, 13681571, 27363142, 54726284, 109452568, 218905136]

約数ペア:

[(1, 218905136), (2, 109452568), (4, 54726284), (8, 27363142), (16, 13681571), (31, 7061456), (62, 3530728), (109, 2008304), (124, 1765364), (218, 1004152), (248, 882682), (436, 502076), (496, 441341), (872, 251038), (1744, 125519), (3379, 64784), (4049, 54064), (6758, 32392), (8098, 27032), (13516, 16196)]