681036643

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^2\times {\mathrm{131}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 856065672

約数和(自身を除く): 175029029

約数列:

[1, 7, 17, 49, 79, 119, 131, 553, 833, 917, 1343, 2227, 3871, 6241, 6419, 9401, 10349, 15589, 43687, 65807, 72443, 106097, 109123, 175933, 305809, 507101, 742679, 817571, 1231531, 5198753, 5722997, 8620717, 13898707, 40060979, 97290949, 681036643]

約数ペア:

[(1, 681036643), (7, 97290949), (17, 40060979), (49, 13898707), (79, 8620717), (119, 5722997), (131, 5198753), (553, 1231531), (833, 817571), (917, 742679), (1343, 507101), (2227, 305809), (3871, 175933), (6241, 109123), (6419, 106097), (9401, 72443), (10349, 65807), (15589, 43687)]