51796745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 85155840

約数和(自身を除く): 33359095

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 79, 91, 131, 143, 385, 395, 455, 553, 655, 715, 869, 917, 1001, 1027, 1441, 1703, 2765, 4345, 4585, 5005, 5135, 6083, 7189, 7205, 8515, 10087, 10349, 11297, 11921, 18733, 30415, 35945, 50435, 51745, 56485, 59605, 72443, 79079, 93665, 113839, 131131, 134537, 362215, 395395, 569195, 655655, 672685, 796873, 941759, 1479907, 3984365, 4708795, 7399535, 10359349, 51796745]

約数ペア:

[(1, 51796745), (5, 10359349), (7, 7399535), (11, 4708795), (13, 3984365), (35, 1479907), (55, 941759), (65, 796873), (77, 672685), (79, 655655), (91, 569195), (131, 395395), (143, 362215), (385, 134537), (395, 131131), (455, 113839), (553, 93665), (655, 79079), (715, 72443), (869, 59605), (917, 56485), (1001, 51745), (1027, 50435), (1441, 35945), (1703, 30415), (2765, 18733), (4345, 11921), (4585, 11297), (5005, 10349), (5135, 10087), (6083, 8515), (7189, 7205)]