209898248

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 459043200

約数和(自身を除く): 249144952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 137, 218, 251, 274, 436, 502, 548, 763, 872, 959, 1004, 1096, 1526, 1757, 1918, 2008, 3052, 3514, 3836, 6104, 7028, 7672, 14056, 14933, 27359, 29866, 34387, 54718, 59732, 68774, 104531, 109436, 119464, 137548, 191513, 209062, 218872, 240709, 275096, 383026, 418124, 481418, 766052, 836248, 962836, 1532104, 1925672, 3748183, 7496366, 14992732, 26237281, 29985464, 52474562, 104949124, 209898248]

約数ペア:

[(1, 209898248), (2, 104949124), (4, 52474562), (7, 29985464), (8, 26237281), (14, 14992732), (28, 7496366), (56, 3748183), (109, 1925672), (137, 1532104), (218, 962836), (251, 836248), (274, 766052), (436, 481418), (502, 418124), (548, 383026), (763, 275096), (872, 240709), (959, 218872), (1004, 209062), (1096, 191513), (1526, 137548), (1757, 119464), (1918, 109436), (2008, 104531), (3052, 68774), (3514, 59732), (3836, 54718), (6104, 34387), (7028, 29866), (7672, 27359), (14056, 14933)]