290286306

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 637404768

約数和(自身を除く): 347118462

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 307, 393, 401, 614, 786, 802, 921, 1179, 1203, 1842, 2358, 2406, 2763, 3609, 5526, 7218, 40217, 52531, 80434, 105062, 120651, 123107, 157593, 241302, 246214, 315186, 361953, 369321, 472779, 723906, 738642, 945558, 1107963, 2215926, 16127017, 32254034, 48381051, 96762102, 145143153, 290286306]

約数ペア:

[(1, 290286306), (2, 145143153), (3, 96762102), (6, 48381051), (9, 32254034), (18, 16127017), (131, 2215926), (262, 1107963), (307, 945558), (393, 738642), (401, 723906), (614, 472779), (786, 369321), (802, 361953), (921, 315186), (1179, 246214), (1203, 241302), (1842, 157593), (2358, 123107), (2406, 120651), (2763, 105062), (3609, 80434), (5526, 52531), (7218, 40217)]