686521066

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27689}}^1$

素因数の和:27739

約数の個数: 48

約数和(自身を含む): 1363677120

約数和(自身を除く): 677156054

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 1078, 1127, 1771, 2254, 3542, 12397, 24794, 27689, 55378, 193823, 304579, 387646, 609158, 636847, 1273694, 1356761, 2132053, 2713522, 4264106, 4457929, 7005317, 8915858, 14010634, 14924371, 29848742, 31205503, 49037219, 62411006, 98074438, 343260533, 686521066]

約数ペア:

[(1, 686521066), (2, 343260533), (7, 98074438), (11, 62411006), (14, 49037219), (22, 31205503), (23, 29848742), (46, 14924371), (49, 14010634), (77, 8915858), (98, 7005317), (154, 4457929), (161, 4264106), (253, 2713522), (322, 2132053), (506, 1356761), (539, 1273694), (1078, 636847), (1127, 609158), (1771, 387646), (2254, 304579), (3542, 193823), (12397, 55378), (24794, 27689)]