87617816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 211680000

約数和(自身を除く): 124062184

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 29, 38, 44, 52, 58, 76, 88, 104, 116, 139, 143, 152, 209, 232, 247, 278, 286, 319, 377, 418, 494, 551, 556, 572, 638, 754, 836, 988, 1102, 1112, 1144, 1276, 1508, 1529, 1672, 1807, 1976, 2204, 2552, 2641, 2717, 3016, 3058, 3614, 4031, 4147, 4408, 5282, 5434, 6061, 6116, 7163, 7228, 8062, 8294, 10564, 10868, 12122, 12232, 14326, 14456, 16124, 16588, 19877, 21128, 21736, 24244, 28652, 29051, 32248, 33176, 34333, 39754, 44341, 48488, 52403, 57304, 58102, 68666, 76589, 78793, 79508, 88682, 104806, 116204, 137332, 153178, 157586, 159016, 177364, 209612, 232408, 274664, 306356, 315172, 354728, 377663, 419224, 576433, 612712, 630344, 755326, 842479, 995657, 1152866, 1510652, 1684958, 1991314, 2305732, 3021304, 3369916, 3982628, 4611464, 6739832, 7965256, 10952227, 21904454, 43808908, 87617816]

約数ペア:

[(1, 87617816), (2, 43808908), (4, 21904454), (8, 10952227), (11, 7965256), (13, 6739832), (19, 4611464), (22, 3982628), (26, 3369916), (29, 3021304), (38, 2305732), (44, 1991314), (52, 1684958), (58, 1510652), (76, 1152866), (88, 995657), (104, 842479), (116, 755326), (139, 630344), (143, 612712), (152, 576433), (209, 419224), (232, 377663), (247, 354728), (278, 315172), (286, 306356), (319, 274664), (377, 232408), (418, 209612), (494, 177364), (551, 159016), (556, 157586), (572, 153178), (638, 137332), (754, 116204), (836, 104806), (988, 88682), (1102, 79508), (1112, 78793), (1144, 76589), (1276, 68666), (1508, 58102), (1529, 57304), (1672, 52403), (1807, 48488), (1976, 44341), (2204, 39754), (2552, 34333), (2641, 33176), (2717, 32248), (3016, 29051), (3058, 28652), (3614, 24244), (4031, 21736), (4147, 21128), (4408, 19877), (5282, 16588), (5434, 16124), (6061, 14456), (6116, 14326), (7163, 12232), (7228, 12122), (8062, 10868), (8294, 10564)]