258829305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 502364160

約数和(自身を除く): 243534855

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 137, 285, 399, 411, 665, 685, 947, 959, 1995, 2055, 2603, 2841, 2877, 4735, 4795, 6629, 7809, 13015, 14205, 14385, 17993, 18221, 19887, 33145, 39045, 53979, 54663, 89965, 91105, 99435, 125951, 129739, 269895, 273315, 377853, 389217, 629755, 648695, 908173, 1889265, 1946085, 2465041, 2724519, 4540865, 7395123, 12325205, 13622595, 17255287, 36975615, 51765861, 86276435, 258829305]

約数ペア:

[(1, 258829305), (3, 86276435), (5, 51765861), (7, 36975615), (15, 17255287), (19, 13622595), (21, 12325205), (35, 7395123), (57, 4540865), (95, 2724519), (105, 2465041), (133, 1946085), (137, 1889265), (285, 908173), (399, 648695), (411, 629755), (665, 389217), (685, 377853), (947, 273315), (959, 269895), (1995, 129739), (2055, 125951), (2603, 99435), (2841, 91105), (2877, 89965), (4735, 54663), (4795, 53979), (6629, 39045), (7809, 33145), (13015, 19887), (14205, 18221), (14385, 17993)]