209904786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{128147}}^1$

素因数の和:128175

約数の個数: 48

約数和(自身を含む): 559750464

約数和(自身を除く): 349845678

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 128147, 256294, 384441, 768882, 897029, 1153323, 1665911, 1794058, 2306646, 2691087, 3331822, 4997733, 5382174, 8073261, 9995466, 11661377, 14993199, 16146522, 23322754, 29986398, 34984131, 69968262, 104952393, 209904786]

約数ペア:

[(1, 209904786), (2, 104952393), (3, 69968262), (6, 34984131), (7, 29986398), (9, 23322754), (13, 16146522), (14, 14993199), (18, 11661377), (21, 9995466), (26, 8073261), (39, 5382174), (42, 4997733), (63, 3331822), (78, 2691087), (91, 2306646), (117, 1794058), (126, 1665911), (182, 1153323), (234, 897029), (273, 768882), (546, 384441), (819, 256294), (1638, 128147)]