520760779

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 734054400

約数和(自身を除く): 213293621

約数列:

[1, 7, 11, 17, 23, 49, 77, 119, 161, 187, 253, 343, 353, 391, 539, 833, 1127, 1309, 1771, 2471, 2737, 3773, 3883, 4301, 5831, 6001, 7889, 8119, 9163, 12397, 17297, 19159, 27181, 30107, 42007, 56833, 64141, 66011, 86779, 89309, 121079, 134113, 138023, 190267, 210749, 294049, 397831, 462077, 625163, 966161, 1331869, 1475243, 1518253, 2058343, 2784817, 3234539, 4376141, 6763127, 10627771, 22641773, 30632987, 47341889, 74394397, 520760779]

約数ペア:

[(1, 520760779), (7, 74394397), (11, 47341889), (17, 30632987), (23, 22641773), (49, 10627771), (77, 6763127), (119, 4376141), (161, 3234539), (187, 2784817), (253, 2058343), (343, 1518253), (353, 1475243), (391, 1331869), (539, 966161), (833, 625163), (1127, 462077), (1309, 397831), (1771, 294049), (2471, 210749), (2737, 190267), (3773, 138023), (3883, 134113), (4301, 121079), (5831, 89309), (6001, 86779), (7889, 66011), (8119, 64141), (9163, 56833), (12397, 42007), (17297, 30107), (19159, 27181)]