643813716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13711}}^1$

素因数の和:13781

約数の個数: 96

約数和(自身を含む): 1892036608

約数和(自身を除く): 1248222892

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 52, 78, 84, 86, 91, 129, 156, 172, 182, 258, 273, 301, 364, 516, 546, 559, 602, 903, 1092, 1118, 1204, 1677, 1806, 2236, 3354, 3612, 3913, 6708, 7826, 11739, 13711, 15652, 23478, 27422, 41133, 46956, 54844, 82266, 95977, 164532, 178243, 191954, 287931, 356486, 383908, 534729, 575862, 589573, 712972, 1069458, 1151724, 1179146, 1247701, 1768719, 2138916, 2358292, 2495402, 3537438, 3743103, 4127011, 4990804, 7074876, 7486206, 7664449, 8254022, 12381033, 14972412, 15328898, 16508044, 22993347, 24762066, 30657796, 45986694, 49524132, 53651143, 91973388, 107302286, 160953429, 214604572, 321906858, 643813716]

約数ペア:

[(1, 643813716), (2, 321906858), (3, 214604572), (4, 160953429), (6, 107302286), (7, 91973388), (12, 53651143), (13, 49524132), (14, 45986694), (21, 30657796), (26, 24762066), (28, 22993347), (39, 16508044), (42, 15328898), (43, 14972412), (52, 12381033), (78, 8254022), (84, 7664449), (86, 7486206), (91, 7074876), (129, 4990804), (156, 4127011), (172, 3743103), (182, 3537438), (258, 2495402), (273, 2358292), (301, 2138916), (364, 1768719), (516, 1247701), (546, 1179146), (559, 1151724), (602, 1069458), (903, 712972), (1092, 589573), (1118, 575862), (1204, 534729), (1677, 383908), (1806, 356486), (2236, 287931), (3354, 191954), (3612, 178243), (3913, 164532), (6708, 95977), (7826, 82266), (11739, 54844), (13711, 46956), (15652, 41133), (23478, 27422)]