390418574

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^2$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 778385160

約数和(自身を除く): 387966586

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 127, 133, 182, 247, 254, 266, 494, 637, 889, 931, 1274, 1651, 1729, 1778, 1862, 2413, 3302, 3458, 4826, 6223, 11557, 12103, 12446, 16129, 16891, 23114, 24206, 31369, 32258, 33782, 62738, 80899, 112903, 118237, 161798, 209677, 219583, 225806, 236474, 306451, 419354, 439166, 612902, 790321, 1467739, 1537081, 1580642, 2145157, 2935478, 3074162, 3983863, 4290314, 7967726, 10274173, 15016099, 20548346, 27887041, 30032198, 55774082, 195209287, 390418574]

約数ペア:

[(1, 390418574), (2, 195209287), (7, 55774082), (13, 30032198), (14, 27887041), (19, 20548346), (26, 15016099), (38, 10274173), (49, 7967726), (91, 4290314), (98, 3983863), (127, 3074162), (133, 2935478), (182, 2145157), (247, 1580642), (254, 1537081), (266, 1467739), (494, 790321), (637, 612902), (889, 439166), (931, 419354), (1274, 306451), (1651, 236474), (1729, 225806), (1778, 219583), (1862, 209677), (2413, 161798), (3302, 118237), (3458, 112903), (4826, 80899), (6223, 62738), (11557, 33782), (12103, 32258), (12446, 31369), (16129, 24206), (16891, 23114)]