26438386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 45460800

約数和(自身を除く): 19022414

約数列:

[1, 2, 13, 19, 26, 38, 109, 218, 247, 491, 494, 982, 1417, 2071, 2834, 4142, 6383, 9329, 12766, 18658, 26923, 53519, 53846, 107038, 121277, 242554, 695747, 1016861, 1391494, 2033722, 13219193, 26438386]

約数ペア:

[(1, 26438386), (2, 13219193), (13, 2033722), (19, 1391494), (26, 1016861), (38, 695747), (109, 242554), (218, 121277), (247, 107038), (491, 53846), (494, 53519), (982, 26923), (1417, 18658), (2071, 12766), (2834, 9329), (4142, 6383)]