128676898

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 238360320

約数和(自身を除く): 109683422

約数列:

[1, 2, 7, 14, 37, 43, 53, 74, 86, 106, 109, 218, 259, 301, 371, 518, 602, 742, 763, 1526, 1591, 1961, 2279, 3182, 3922, 4033, 4558, 4687, 5777, 8066, 9374, 11137, 11554, 13727, 15953, 22274, 27454, 28231, 31906, 32809, 40439, 56462, 65618, 80878, 84323, 168646, 173419, 213749, 248411, 346838, 427498, 496822, 590261, 1180522, 1213933, 1496243, 1738877, 2427866, 2992486, 3477754, 9191207, 18382414, 64338449, 128676898]

約数ペア:

[(1, 128676898), (2, 64338449), (7, 18382414), (14, 9191207), (37, 3477754), (43, 2992486), (53, 2427866), (74, 1738877), (86, 1496243), (106, 1213933), (109, 1180522), (218, 590261), (259, 496822), (301, 427498), (371, 346838), (518, 248411), (602, 213749), (742, 173419), (763, 168646), (1526, 84323), (1591, 80878), (1961, 65618), (2279, 56462), (3182, 40439), (3922, 32809), (4033, 31906), (4558, 28231), (4687, 27454), (5777, 22274), (8066, 15953), (9374, 13727), (11137, 11554)]