209890112

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{172607}}^1$

素因数の和:172638

約数の個数: 28

約数和(自身を含む): 438424320

約数和(自身を除く): 228534208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 172607, 345214, 690428, 1380856, 2761712, 3279533, 5523424, 6559066, 11046848, 13118132, 26236264, 52472528, 104945056, 209890112]

約数ペア:

[(1, 209890112), (2, 104945056), (4, 52472528), (8, 26236264), (16, 13118132), (19, 11046848), (32, 6559066), (38, 5523424), (64, 3279533), (76, 2761712), (152, 1380856), (304, 690428), (608, 345214), (1216, 172607)]