128961812

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 263477760

約数和(自身を除く): 134515948

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 173, 316, 337, 346, 553, 674, 692, 1106, 1211, 1348, 2212, 2359, 2422, 4718, 4844, 9436, 13667, 26623, 27334, 53246, 54668, 58301, 95669, 106492, 116602, 186361, 191338, 233204, 372722, 382676, 408107, 745444, 816214, 1632428, 4605779, 9211558, 18423116, 32240453, 64480906, 128961812]

約数ペア:

[(1, 128961812), (2, 64480906), (4, 32240453), (7, 18423116), (14, 9211558), (28, 4605779), (79, 1632428), (158, 816214), (173, 745444), (316, 408107), (337, 382676), (346, 372722), (553, 233204), (674, 191338), (692, 186361), (1106, 116602), (1211, 106492), (1348, 95669), (2212, 58301), (2359, 54668), (2422, 53246), (4718, 27334), (4844, 26623), (9436, 13667)]