81376386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1575

約数の個数: 64

約数和(自身を含む): 202395648

約数和(自身を除く): 121019262

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 103, 182, 206, 273, 309, 546, 618, 721, 1339, 1442, 1447, 2163, 2678, 2894, 4017, 4326, 4341, 8034, 8682, 9373, 10129, 18746, 18811, 20258, 28119, 30387, 37622, 56238, 56433, 60774, 112866, 131677, 149041, 263354, 298082, 395031, 447123, 790062, 894246, 1043287, 1937533, 2086574, 3129861, 3875066, 5812599, 6259722, 11625198, 13562731, 27125462, 40688193, 81376386]

約数ペア:

[(1, 81376386), (2, 40688193), (3, 27125462), (6, 13562731), (7, 11625198), (13, 6259722), (14, 5812599), (21, 3875066), (26, 3129861), (39, 2086574), (42, 1937533), (78, 1043287), (91, 894246), (103, 790062), (182, 447123), (206, 395031), (273, 298082), (309, 263354), (546, 149041), (618, 131677), (721, 112866), (1339, 60774), (1442, 56433), (1447, 56238), (2163, 37622), (2678, 30387), (2894, 28119), (4017, 20258), (4326, 18811), (4341, 18746), (8034, 10129), (8682, 9373)]