1298721568

素因数分解:

$2^5\times {\mathrm{67}}^2\times {\mathrm{9041}}^1$

素因数の和:9185

約数の個数: 36

約数和(自身を含む): 2595876822

約数和(自身を除く): 1297155254

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 4489, 8978, 9041, 17956, 18082, 35912, 36164, 71824, 72328, 143648, 144656, 289312, 605747, 1211494, 2422988, 4845976, 9691952, 19383904, 40585049, 81170098, 162340196, 324680392, 649360784, 1298721568]

約数ペア:

[(1, 1298721568), (2, 649360784), (4, 324680392), (8, 162340196), (16, 81170098), (32, 40585049), (67, 19383904), (134, 9691952), (268, 4845976), (536, 2422988), (1072, 1211494), (2144, 605747), (4489, 289312), (8978, 144656), (9041, 143648), (17956, 72328), (18082, 71824), (35912, 36164)]