266937839

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 341288640

約数和(自身を除く): 74350801

約数列:

[1, 7, 23, 41, 49, 53, 109, 161, 287, 371, 763, 943, 1127, 1219, 2009, 2173, 2507, 2597, 4469, 5341, 5777, 6601, 8533, 15211, 17549, 31283, 40439, 46207, 49979, 59731, 102787, 106477, 122843, 132871, 218981, 236857, 283073, 349853, 719509, 930097, 1657999, 2448971, 5036563, 5447711, 6510679, 11605993, 38133977, 266937839]

約数ペア:

[(1, 266937839), (7, 38133977), (23, 11605993), (41, 6510679), (49, 5447711), (53, 5036563), (109, 2448971), (161, 1657999), (287, 930097), (371, 719509), (763, 349853), (943, 283073), (1127, 236857), (1219, 218981), (2009, 132871), (2173, 122843), (2507, 106477), (2597, 102787), (4469, 59731), (5341, 49979), (5777, 46207), (6601, 40439), (8533, 31283), (15211, 17549)]