51145328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 113013600

約数和(自身を除く): 61868272

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 61, 104, 116, 122, 139, 208, 232, 244, 278, 377, 464, 488, 556, 754, 793, 976, 1112, 1508, 1586, 1769, 1807, 2224, 3016, 3172, 3538, 3614, 4031, 6032, 6344, 7076, 7228, 8062, 8479, 12688, 14152, 14456, 16124, 16958, 22997, 28304, 28912, 32248, 33916, 45994, 52403, 64496, 67832, 91988, 104806, 110227, 135664, 183976, 209612, 220454, 245891, 367952, 419224, 440908, 491782, 838448, 881816, 983564, 1763632, 1967128, 3196583, 3934256, 6393166, 12786332, 25572664, 51145328]

約数ペア:

[(1, 51145328), (2, 25572664), (4, 12786332), (8, 6393166), (13, 3934256), (16, 3196583), (26, 1967128), (29, 1763632), (52, 983564), (58, 881816), (61, 838448), (104, 491782), (116, 440908), (122, 419224), (139, 367952), (208, 245891), (232, 220454), (244, 209612), (278, 183976), (377, 135664), (464, 110227), (488, 104806), (556, 91988), (754, 67832), (793, 64496), (976, 52403), (1112, 45994), (1508, 33916), (1586, 32248), (1769, 28912), (1807, 28304), (2224, 22997), (3016, 16958), (3172, 16124), (3538, 14456), (3614, 14152), (4031, 12688), (6032, 8479), (6344, 8062), (7076, 7228)]