261657018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109297}}^1$

素因数の和:109331

約数の個数: 48

約数和(自身を含む): 682019520

約数和(自身を除く): 420362502

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 109297, 218594, 327891, 655782, 765079, 983673, 1530158, 1967346, 2076643, 2295237, 4153286, 4590474, 6229929, 6885711, 12459858, 13771422, 14536501, 18689787, 29073002, 37379574, 43609503, 87219006, 130828509, 261657018]

約数ペア:

[(1, 261657018), (2, 130828509), (3, 87219006), (6, 43609503), (7, 37379574), (9, 29073002), (14, 18689787), (18, 14536501), (19, 13771422), (21, 12459858), (38, 6885711), (42, 6229929), (57, 4590474), (63, 4153286), (114, 2295237), (126, 2076643), (133, 1967346), (171, 1530158), (266, 983673), (342, 765079), (399, 655782), (798, 327891), (1197, 218594), (2394, 109297)]