128516164

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 264958848

約数和(自身を除く): 136442684

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 173, 301, 346, 602, 617, 692, 1204, 1211, 1234, 2422, 2468, 4319, 4844, 7439, 8638, 14878, 17276, 26531, 29756, 52073, 53062, 104146, 106124, 106741, 185717, 208292, 213482, 371434, 426964, 742868, 747187, 1494374, 2988748, 4589863, 9179726, 18359452, 32129041, 64258082, 128516164]

約数ペア:

[(1, 128516164), (2, 64258082), (4, 32129041), (7, 18359452), (14, 9179726), (28, 4589863), (43, 2988748), (86, 1494374), (172, 747187), (173, 742868), (301, 426964), (346, 371434), (602, 213482), (617, 208292), (692, 185717), (1204, 106741), (1211, 106124), (1234, 104146), (2422, 53062), (2468, 52073), (4319, 29756), (4844, 26531), (7439, 17276), (8638, 14878)]