28305272506

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{3533}}^1$

素因数の和:3883

約数の個数: 64

約数和(自身を含む): 51296716800

約数和(自身を除く): 22991444294

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 179, 278, 322, 358, 973, 1253, 1946, 2506, 3197, 3533, 4117, 6394, 7066, 8234, 22379, 24731, 24881, 28819, 44758, 49462, 49762, 57638, 81259, 162518, 174167, 348334, 491087, 568813, 572263, 632407, 982174, 1137626, 1144526, 1264814, 3437609, 4005841, 4426849, 6875218, 8011682, 8853698, 11295001, 14545361, 22590002, 29090722, 79065007, 87904573, 101817527, 158130014, 175809146, 203635054, 615332011, 1230664022, 2021805179, 4043610358, 14152636253, 28305272506]

約数ペア:

[(1, 28305272506), (2, 14152636253), (7, 4043610358), (14, 2021805179), (23, 1230664022), (46, 615332011), (139, 203635054), (161, 175809146), (179, 158130014), (278, 101817527), (322, 87904573), (358, 79065007), (973, 29090722), (1253, 22590002), (1946, 14545361), (2506, 11295001), (3197, 8853698), (3533, 8011682), (4117, 6875218), (6394, 4426849), (7066, 4005841), (8234, 3437609), (22379, 1264814), (24731, 1144526), (24881, 1137626), (28819, 982174), (44758, 632407), (49462, 572263), (49762, 568813), (57638, 491087), (81259, 348334), (162518, 174167)]