128204468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1163}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 266993664

約数和(自身を除く): 138789196

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 868, 889, 1163, 1778, 2326, 3556, 3937, 4652, 7874, 8141, 15748, 16282, 27559, 32564, 36053, 55118, 72106, 110236, 144212, 147701, 252371, 295402, 504742, 590804, 1009484, 1033907, 2067814, 4135628, 4578731, 9157462, 18314924, 32051117, 64102234, 128204468]

約数ペア:

[(1, 128204468), (2, 64102234), (4, 32051117), (7, 18314924), (14, 9157462), (28, 4578731), (31, 4135628), (62, 2067814), (124, 1033907), (127, 1009484), (217, 590804), (254, 504742), (434, 295402), (508, 252371), (868, 147701), (889, 144212), (1163, 110236), (1778, 72106), (2326, 55118), (3556, 36053), (3937, 32564), (4652, 27559), (7874, 16282), (8141, 15748)]