9991312

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 20411640

約数和(自身を除く): 10420328

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 353, 464, 488, 706, 976, 1412, 1769, 2824, 3538, 5648, 7076, 10237, 14152, 20474, 21533, 28304, 40948, 43066, 81896, 86132, 163792, 172264, 344528, 624457, 1248914, 2497828, 4995656, 9991312]

約数ペア:

[(1, 9991312), (2, 4995656), (4, 2497828), (8, 1248914), (16, 624457), (29, 344528), (58, 172264), (61, 163792), (116, 86132), (122, 81896), (232, 43066), (244, 40948), (353, 28304), (464, 21533), (488, 20474), (706, 14152), (976, 10237), (1412, 7076), (1769, 5648), (2824, 3538)]