128657564

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8719}}^1$

素因数の和:8778

約数の個数: 48

約数和(自身を含む): 281272320

約数和(自身を除く): 152614756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 3689, 7378, 8719, 14756, 17438, 34876, 61033, 122066, 148223, 244132, 270289, 296446, 540578, 592892, 1037561, 1081156, 1892023, 2075122, 3784046, 4150244, 4594913, 7568092, 9189826, 18379652, 32164391, 64328782, 128657564]

約数ペア:

[(1, 128657564), (2, 64328782), (4, 32164391), (7, 18379652), (14, 9189826), (17, 7568092), (28, 4594913), (31, 4150244), (34, 3784046), (62, 2075122), (68, 1892023), (119, 1081156), (124, 1037561), (217, 592892), (238, 540578), (434, 296446), (476, 270289), (527, 244132), (868, 148223), (1054, 122066), (2108, 61033), (3689, 34876), (7378, 17438), (8719, 14756)]