218040816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{648931}}^1$

素因数の和:648949

約数の個数: 40

約数和(自身を含む): 643740544

約数和(自身を除く): 425699728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 648931, 1297862, 1946793, 2595724, 3893586, 4542517, 5191448, 7787172, 9085034, 10382896, 13627551, 15574344, 18170068, 27255102, 31148688, 36340136, 54510204, 72680272, 109020408, 218040816]

約数ペア:

[(1, 218040816), (2, 109020408), (3, 72680272), (4, 54510204), (6, 36340136), (7, 31148688), (8, 27255102), (12, 18170068), (14, 15574344), (16, 13627551), (21, 10382896), (24, 9085034), (28, 7787172), (42, 5191448), (48, 4542517), (56, 3893586), (84, 2595724), (112, 1946793), (168, 1297862), (336, 648931)]