255617908

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{7717}}^1$

素因数の和:7761

約数の個数: 54

約数和(自身を含む): 563545206

約数和(自身を除く): 307927298

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 637, 676, 1183, 1274, 2366, 2548, 4732, 7717, 8281, 15434, 16562, 30868, 33124, 54019, 100321, 108038, 200642, 216076, 378133, 401284, 702247, 756266, 1304173, 1404494, 1512532, 2608346, 2808988, 4915729, 5216692, 9129211, 9831458, 18258422, 19662916, 36516844, 63904477, 127808954, 255617908]

約数ペア:

[(1, 255617908), (2, 127808954), (4, 63904477), (7, 36516844), (13, 19662916), (14, 18258422), (26, 9831458), (28, 9129211), (49, 5216692), (52, 4915729), (91, 2808988), (98, 2608346), (169, 1512532), (182, 1404494), (196, 1304173), (338, 756266), (364, 702247), (637, 401284), (676, 378133), (1183, 216076), (1274, 200642), (2366, 108038), (2548, 100321), (4732, 54019), (7717, 33124), (8281, 30868), (15434, 16562)]