31380656

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 62708784

約数和(自身を除く): 31328128

約数列:

[1, 2, 4, 8, 16, 67, 73, 134, 146, 268, 292, 401, 536, 584, 802, 1072, 1168, 1604, 3208, 4891, 6416, 9782, 19564, 26867, 29273, 39128, 53734, 58546, 78256, 107468, 117092, 214936, 234184, 429872, 468368, 1961291, 3922582, 7845164, 15690328, 31380656]

約数ペア:

[(1, 31380656), (2, 15690328), (4, 7845164), (8, 3922582), (16, 1961291), (67, 468368), (73, 429872), (134, 234184), (146, 214936), (268, 117092), (292, 107468), (401, 78256), (536, 58546), (584, 53734), (802, 39128), (1072, 29273), (1168, 26867), (1604, 19564), (3208, 9782), (4891, 6416)]