64431926

素因数分解:

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

素因数の和:253

約数の個数: 48

約数和(自身を含む): 112435200

約数和(自身を除く): 48003274

約数列:

[1, 2, 13, 19, 26, 38, 79, 127, 158, 169, 247, 254, 338, 494, 1027, 1501, 1651, 2054, 2413, 3002, 3211, 3302, 4826, 6422, 10033, 13351, 19513, 20066, 21463, 26702, 31369, 39026, 42926, 62738, 130429, 190627, 253669, 260858, 381254, 407797, 507338, 815594, 1695577, 2478151, 3391154, 4956302, 32215963, 64431926]

約数ペア:

[(1, 64431926), (2, 32215963), (13, 4956302), (19, 3391154), (26, 2478151), (38, 1695577), (79, 815594), (127, 507338), (158, 407797), (169, 381254), (247, 260858), (254, 253669), (338, 190627), (494, 130429), (1027, 62738), (1501, 42926), (1651, 39026), (2054, 31369), (2413, 26702), (3002, 21463), (3211, 20066), (3302, 19513), (4826, 13351), (6422, 10033)]