213803451407

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{115301}}^1$

素因数の和:115440

約数の個数: 48

約数和(自身を含む): 278241251904

約数和(自身を除く): 64437800497

約数列:

[1, 7, 13, 41, 49, 71, 91, 287, 497, 533, 637, 923, 2009, 2911, 3479, 3731, 6461, 20377, 26117, 37843, 45227, 115301, 142639, 264901, 807107, 1498913, 1854307, 4727341, 5649749, 8186371, 10492391, 33091387, 57304597, 61455433, 73446737, 106422823, 231639709, 335641211, 401132179, 430188031, 744959761, 2349488477, 3011316217, 4363335743, 5214718327, 16446419339, 30543350201, 213803451407]

約数ペア:

[(1, 213803451407), (7, 30543350201), (13, 16446419339), (41, 5214718327), (49, 4363335743), (71, 3011316217), (91, 2349488477), (287, 744959761), (497, 430188031), (533, 401132179), (637, 335641211), (923, 231639709), (2009, 106422823), (2911, 73446737), (3479, 61455433), (3731, 57304597), (6461, 33091387), (20377, 10492391), (26117, 8186371), (37843, 5649749), (45227, 4727341), (115301, 1854307), (142639, 1498913), (264901, 807107)]