248000012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 509612544

約数和(自身を除く): 261612532

約数列:

[1, 2, 4, 13, 17, 26, 34, 47, 52, 68, 94, 127, 188, 221, 254, 442, 508, 611, 799, 884, 1222, 1598, 1651, 2159, 2209, 2444, 3196, 3302, 4318, 4418, 5969, 6604, 8636, 8836, 10387, 11938, 20774, 23876, 28067, 28717, 37553, 41548, 56134, 57434, 75106, 77597, 101473, 112268, 114868, 150212, 155194, 202946, 280543, 310388, 405892, 488189, 561086, 976378, 1122172, 1319149, 1952756, 2638298, 3647059, 4769231, 5276596, 7294118, 9538462, 14588236, 19076924, 62000003, 124000006, 248000012]

約数ペア:

[(1, 248000012), (2, 124000006), (4, 62000003), (13, 19076924), (17, 14588236), (26, 9538462), (34, 7294118), (47, 5276596), (52, 4769231), (68, 3647059), (94, 2638298), (127, 1952756), (188, 1319149), (221, 1122172), (254, 976378), (442, 561086), (508, 488189), (611, 405892), (799, 310388), (884, 280543), (1222, 202946), (1598, 155194), (1651, 150212), (2159, 114868), (2209, 112268), (2444, 101473), (3196, 77597), (3302, 75106), (4318, 57434), (4418, 56134), (5969, 41548), (6604, 37553), (8636, 28717), (8836, 28067), (10387, 23876), (11938, 20774)]