491264

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 1042440

約数和(自身を除く): 551176

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 101, 128, 152, 202, 256, 304, 404, 608, 808, 1216, 1616, 1919, 2432, 3232, 3838, 4864, 6464, 7676, 12928, 15352, 25856, 30704, 61408, 122816, 245632, 491264]

約数ペア:

[(1, 491264), (2, 245632), (4, 122816), (8, 61408), (16, 30704), (19, 25856), (32, 15352), (38, 12928), (64, 7676), (76, 6464), (101, 4864), (128, 3838), (152, 3232), (202, 2432), (256, 1919), (304, 1616), (404, 1216), (608, 808)]