391547858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2\times {\mathrm{127}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 679633920

約数和(自身を除く): 288086062

約数列:

[1, 2, 13, 19, 26, 38, 79, 127, 158, 247, 254, 494, 1027, 1501, 1651, 2054, 2413, 3002, 3302, 4826, 6241, 10033, 12482, 19513, 20066, 31369, 39026, 62738, 81133, 118579, 130429, 162266, 190627, 237158, 260858, 381254, 792607, 1541527, 1585214, 2478151, 3083054, 4956302, 10303891, 15059533, 20607782, 30119066, 195773929, 391547858]

約数ペア:

[(1, 391547858), (2, 195773929), (13, 30119066), (19, 20607782), (26, 15059533), (38, 10303891), (79, 4956302), (127, 3083054), (158, 2478151), (247, 1585214), (254, 1541527), (494, 792607), (1027, 381254), (1501, 260858), (1651, 237158), (2054, 190627), (2413, 162266), (3002, 130429), (3302, 118579), (4826, 81133), (6241, 62738), (10033, 39026), (12482, 31369), (19513, 20066)]