278631444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{36451}}^1$

素因数の和:36485

約数の個数: 72

約数和(自身を含む): 814483488

約数和(自身を除く): 535852044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 36451, 72902, 109353, 145804, 218706, 255157, 437412, 473863, 510314, 765471, 947726, 1020628, 1421589, 1530942, 1786099, 1895452, 2843178, 3061884, 3317041, 3572198, 5358297, 5686356, 6634082, 7144396, 9951123, 10716594, 13268164, 19902246, 21433188, 23219287, 39804492, 46438574, 69657861, 92877148, 139315722, 278631444]

約数ペア:

[(1, 278631444), (2, 139315722), (3, 92877148), (4, 69657861), (6, 46438574), (7, 39804492), (12, 23219287), (13, 21433188), (14, 19902246), (21, 13268164), (26, 10716594), (28, 9951123), (39, 7144396), (42, 6634082), (49, 5686356), (52, 5358297), (78, 3572198), (84, 3317041), (91, 3061884), (98, 2843178), (147, 1895452), (156, 1786099), (182, 1530942), (196, 1421589), (273, 1020628), (294, 947726), (364, 765471), (546, 510314), (588, 473863), (637, 437412), (1092, 255157), (1274, 218706), (1911, 145804), (2548, 109353), (3822, 72902), (7644, 36451)]