201391918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 385596288

約数和(自身を除く): 184204370

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 137, 182, 197, 274, 287, 394, 533, 574, 959, 1066, 1379, 1781, 1918, 2561, 2758, 3562, 3731, 5122, 5617, 7462, 8077, 11234, 12467, 16154, 17927, 24934, 26989, 35854, 39319, 53978, 56539, 73021, 78638, 105001, 113078, 146042, 188923, 210002, 350857, 377846, 511147, 701714, 735007, 1022294, 1106549, 1470014, 2213098, 2455999, 4911998, 7745843, 14385137, 15491686, 28770274, 100695959, 201391918]

約数ペア:

[(1, 201391918), (2, 100695959), (7, 28770274), (13, 15491686), (14, 14385137), (26, 7745843), (41, 4911998), (82, 2455999), (91, 2213098), (137, 1470014), (182, 1106549), (197, 1022294), (274, 735007), (287, 701714), (394, 511147), (533, 377846), (574, 350857), (959, 210002), (1066, 188923), (1379, 146042), (1781, 113078), (1918, 105001), (2561, 78638), (2758, 73021), (3562, 56539), (3731, 53978), (5122, 39319), (5617, 35854), (7462, 26989), (8077, 24934), (11234, 17927), (12467, 16154)]