205121358

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28277}}^1$

素因数の和:28329

約数の個数: 48

約数和(自身を含む): 494073216

約数和(自身を除く): 288951858

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 7254, 28277, 56554, 84831, 169662, 254493, 367601, 508986, 735202, 876587, 1102803, 1753174, 2205606, 2629761, 3308409, 5259522, 6616818, 7889283, 11395631, 15778566, 22791262, 34186893, 68373786, 102560679, 205121358]

約数ペア:

[(1, 205121358), (2, 102560679), (3, 68373786), (6, 34186893), (9, 22791262), (13, 15778566), (18, 11395631), (26, 7889283), (31, 6616818), (39, 5259522), (62, 3308409), (78, 2629761), (93, 2205606), (117, 1753174), (186, 1102803), (234, 876587), (279, 735202), (403, 508986), (558, 367601), (806, 254493), (1209, 169662), (2418, 84831), (3627, 56554), (7254, 28277)]