123199312

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 243137216

約数和(自身を除く): 119937904

約数列:

[1, 2, 4, 8, 16, 97, 163, 194, 326, 388, 487, 652, 776, 974, 1304, 1552, 1948, 2608, 3896, 7792, 15811, 31622, 47239, 63244, 79381, 94478, 126488, 158762, 188956, 252976, 317524, 377912, 635048, 755824, 1270096, 7699957, 15399914, 30799828, 61599656, 123199312]

約数ペア:

[(1, 123199312), (2, 61599656), (4, 30799828), (8, 15399914), (16, 7699957), (97, 1270096), (163, 755824), (194, 635048), (326, 377912), (388, 317524), (487, 252976), (652, 188956), (776, 158762), (974, 126488), (1304, 94478), (1552, 79381), (1948, 63244), (2608, 47239), (3896, 31622), (7792, 15811)]