209747902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 409328640

約数和(自身を除く): 199580738

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 89, 91, 161, 178, 182, 299, 322, 563, 598, 623, 1126, 1157, 1246, 2047, 2093, 2314, 3941, 4094, 4186, 7319, 7882, 8099, 12949, 14329, 14638, 16198, 25898, 26611, 28658, 50107, 51233, 53222, 90643, 100214, 102466, 168337, 181286, 186277, 336674, 350749, 372554, 651391, 701498, 1152461, 1178359, 1302782, 2304922, 2356718, 4559737, 8067227, 9119474, 14981993, 16134454, 29963986, 104873951, 209747902]

約数ペア:

[(1, 209747902), (2, 104873951), (7, 29963986), (13, 16134454), (14, 14981993), (23, 9119474), (26, 8067227), (46, 4559737), (89, 2356718), (91, 2304922), (161, 1302782), (178, 1178359), (182, 1152461), (299, 701498), (322, 651391), (563, 372554), (598, 350749), (623, 336674), (1126, 186277), (1157, 181286), (1246, 168337), (2047, 102466), (2093, 100214), (2314, 90643), (3941, 53222), (4094, 51233), (4186, 50107), (7319, 28658), (7882, 26611), (8099, 25898), (12949, 16198), (14329, 14638)]