128280328

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 267529500

約数和(自身を除く): 139249172

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 121, 178, 242, 356, 484, 712, 968, 979, 1489, 1958, 2978, 3916, 5956, 7832, 10769, 11912, 16379, 21538, 32758, 43076, 65516, 86152, 131032, 132521, 180169, 265042, 360338, 530084, 720676, 1060168, 1441352, 1457731, 2915462, 5830924, 11661848, 16035041, 32070082, 64140164, 128280328]

約数ペア:

[(1, 128280328), (2, 64140164), (4, 32070082), (8, 16035041), (11, 11661848), (22, 5830924), (44, 2915462), (88, 1457731), (89, 1441352), (121, 1060168), (178, 720676), (242, 530084), (356, 360338), (484, 265042), (712, 180169), (968, 132521), (979, 131032), (1489, 86152), (1958, 65516), (2978, 43076), (3916, 32758), (5956, 21538), (7832, 16379), (10769, 11912)]