81459784

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2158

約数の個数: 64

約数和(自身を含む): 189423360

約数和(自身を除く): 107963576

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 56, 68, 82, 119, 136, 164, 238, 287, 328, 476, 574, 697, 952, 1148, 1394, 2087, 2296, 2788, 4174, 4879, 5576, 8348, 9758, 14609, 16696, 19516, 29218, 35479, 39032, 58436, 70958, 85567, 116872, 141916, 171134, 248353, 283832, 342268, 496706, 598969, 684536, 993412, 1197938, 1454639, 1986824, 2395876, 2909278, 4791752, 5818556, 10182473, 11637112, 20364946, 40729892, 81459784]

約数ペア:

[(1, 81459784), (2, 40729892), (4, 20364946), (7, 11637112), (8, 10182473), (14, 5818556), (17, 4791752), (28, 2909278), (34, 2395876), (41, 1986824), (56, 1454639), (68, 1197938), (82, 993412), (119, 684536), (136, 598969), (164, 496706), (238, 342268), (287, 283832), (328, 248353), (476, 171134), (574, 141916), (697, 116872), (952, 85567), (1148, 70958), (1394, 58436), (2087, 39032), (2296, 35479), (2788, 29218), (4174, 19516), (4879, 16696), (5576, 14609), (8348, 9758)]