51905128

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 113296050

約数和(自身を除く): 61390922

約数列:

[1, 2, 4, 8, 11, 22, 29, 43, 44, 58, 86, 88, 116, 121, 172, 232, 242, 319, 344, 473, 484, 638, 946, 968, 1247, 1276, 1849, 1892, 2494, 2552, 3509, 3698, 3784, 4988, 5203, 7018, 7396, 9976, 10406, 13717, 14036, 14792, 20339, 20812, 27434, 28072, 40678, 41624, 53621, 54868, 81356, 107242, 109736, 150887, 162712, 214484, 223729, 301774, 428968, 447458, 589831, 603548, 894916, 1179662, 1207096, 1789832, 2359324, 4718648, 6488141, 12976282, 25952564, 51905128]

約数ペア:

[(1, 51905128), (2, 25952564), (4, 12976282), (8, 6488141), (11, 4718648), (22, 2359324), (29, 1789832), (43, 1207096), (44, 1179662), (58, 894916), (86, 603548), (88, 589831), (116, 447458), (121, 428968), (172, 301774), (232, 223729), (242, 214484), (319, 162712), (344, 150887), (473, 109736), (484, 107242), (638, 81356), (946, 54868), (968, 53621), (1247, 41624), (1276, 40678), (1849, 28072), (1892, 27434), (2494, 20812), (2552, 20339), (3509, 14792), (3698, 14036), (3784, 13717), (4988, 10406), (5203, 9976), (7018, 7396)]