128784344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 267805440

約数和(自身を除く): 139021096

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 107, 142, 163, 214, 284, 326, 428, 568, 652, 856, 923, 1304, 1391, 1846, 2119, 2782, 3692, 4238, 5564, 7384, 7597, 8476, 11128, 11573, 15194, 16952, 17441, 23146, 30388, 34882, 46292, 60776, 69764, 92584, 98761, 139528, 150449, 197522, 226733, 300898, 395044, 453466, 601796, 790088, 906932, 1203592, 1238311, 1813864, 2476622, 4953244, 9906488, 16098043, 32196086, 64392172, 128784344]

約数ペア:

[(1, 128784344), (2, 64392172), (4, 32196086), (8, 16098043), (13, 9906488), (26, 4953244), (52, 2476622), (71, 1813864), (104, 1238311), (107, 1203592), (142, 906932), (163, 790088), (214, 601796), (284, 453466), (326, 395044), (428, 300898), (568, 226733), (652, 197522), (856, 150449), (923, 139528), (1304, 98761), (1391, 92584), (1846, 69764), (2119, 60776), (2782, 46292), (3692, 34882), (4238, 30388), (5564, 23146), (7384, 17441), (7597, 16952), (8476, 15194), (11128, 11573)]