138961956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 383507712

約数和(自身を除く): 244545756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 157, 164, 246, 257, 287, 314, 471, 492, 514, 574, 628, 771, 861, 942, 1028, 1099, 1148, 1542, 1722, 1799, 1884, 2198, 3084, 3297, 3444, 3598, 4396, 5397, 6437, 6594, 7196, 10537, 10794, 12874, 13188, 19311, 21074, 21588, 25748, 31611, 38622, 40349, 42148, 45059, 63222, 73759, 77244, 80698, 90118, 121047, 126444, 135177, 147518, 161396, 180236, 221277, 242094, 270354, 282443, 295036, 442554, 484188, 540708, 564886, 847329, 885108, 1129772, 1654309, 1694658, 3308618, 3389316, 4962927, 6617236, 9925854, 11580163, 19851708, 23160326, 34740489, 46320652, 69480978, 138961956]

約数ペア:

[(1, 138961956), (2, 69480978), (3, 46320652), (4, 34740489), (6, 23160326), (7, 19851708), (12, 11580163), (14, 9925854), (21, 6617236), (28, 4962927), (41, 3389316), (42, 3308618), (82, 1694658), (84, 1654309), (123, 1129772), (157, 885108), (164, 847329), (246, 564886), (257, 540708), (287, 484188), (314, 442554), (471, 295036), (492, 282443), (514, 270354), (574, 242094), (628, 221277), (771, 180236), (861, 161396), (942, 147518), (1028, 135177), (1099, 126444), (1148, 121047), (1542, 90118), (1722, 80698), (1799, 77244), (1884, 73759), (2198, 63222), (3084, 45059), (3297, 42148), (3444, 40349), (3598, 38622), (4396, 31611), (5397, 25748), (6437, 21588), (6594, 21074), (7196, 19311), (10537, 13188), (10794, 12874)]