209330368

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{809}}^1$

素因数の和:1145

約数の個数: 56

約数和(自身を含む): 449336160

約数和(自身を除く): 240005792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 311, 416, 622, 809, 832, 1244, 1618, 2488, 3236, 4043, 4976, 6472, 8086, 9952, 10517, 12944, 16172, 19904, 21034, 25888, 32344, 42068, 51776, 64688, 84136, 129376, 168272, 251599, 258752, 336544, 503198, 673088, 1006396, 2012792, 3270787, 4025584, 6541574, 8051168, 13083148, 16102336, 26166296, 52332592, 104665184, 209330368]

約数ペア:

[(1, 209330368), (2, 104665184), (4, 52332592), (8, 26166296), (13, 16102336), (16, 13083148), (26, 8051168), (32, 6541574), (52, 4025584), (64, 3270787), (104, 2012792), (208, 1006396), (311, 673088), (416, 503198), (622, 336544), (809, 258752), (832, 251599), (1244, 168272), (1618, 129376), (2488, 84136), (3236, 64688), (4043, 51776), (4976, 42068), (6472, 32344), (8086, 25888), (9952, 21034), (10517, 19904), (12944, 16172)]