691379968

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 1414799568

約数和(自身を除く): 723419600

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 173, 233, 256, 268, 346, 466, 536, 692, 932, 1072, 1384, 1864, 2144, 2768, 3728, 4288, 5536, 7456, 8576, 11072, 11591, 14912, 15611, 17152, 22144, 23182, 29824, 31222, 40309, 44288, 46364, 59648, 62444, 80618, 92728, 124888, 161236, 185456, 249776, 322472, 370912, 499552, 644944, 741824, 999104, 1289888, 1483648, 1998208, 2579776, 2700703, 2967296, 3996416, 5159552, 5401406, 10319104, 10802812, 21605624, 43211248, 86422496, 172844992, 345689984, 691379968]

約数ペア:

[(1, 691379968), (2, 345689984), (4, 172844992), (8, 86422496), (16, 43211248), (32, 21605624), (64, 10802812), (67, 10319104), (128, 5401406), (134, 5159552), (173, 3996416), (233, 2967296), (256, 2700703), (268, 2579776), (346, 1998208), (466, 1483648), (536, 1289888), (692, 999104), (932, 741824), (1072, 644944), (1384, 499552), (1864, 370912), (2144, 322472), (2768, 249776), (3728, 185456), (4288, 161236), (5536, 124888), (7456, 92728), (8576, 80618), (11072, 62444), (11591, 59648), (14912, 46364), (15611, 44288), (17152, 40309), (22144, 31222), (23182, 29824)]