128737868

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{883}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 266133504

約数和(自身を除く): 137395636

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 127, 164, 254, 287, 508, 574, 883, 889, 1148, 1766, 1778, 3532, 3556, 5207, 6181, 10414, 12362, 20828, 24724, 36203, 36449, 72406, 72898, 112141, 144812, 145796, 224282, 253421, 448564, 506842, 784987, 1013684, 1569974, 3139948, 4597781, 9195562, 18391124, 32184467, 64368934, 128737868]

約数ペア:

[(1, 128737868), (2, 64368934), (4, 32184467), (7, 18391124), (14, 9195562), (28, 4597781), (41, 3139948), (82, 1569974), (127, 1013684), (164, 784987), (254, 506842), (287, 448564), (508, 253421), (574, 224282), (883, 145796), (889, 144812), (1148, 112141), (1766, 72898), (1778, 72406), (3532, 36449), (3556, 36203), (5207, 24724), (6181, 20828), (10414, 12362)]