26689390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 59834880

約数和(自身を除く): 33145490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 139, 182, 211, 278, 422, 455, 695, 910, 973, 1055, 1390, 1477, 1807, 1946, 2110, 2743, 2954, 3614, 4865, 5486, 7385, 9035, 9730, 12649, 13715, 14770, 18070, 19201, 25298, 27430, 29329, 38402, 58658, 63245, 96005, 126490, 146645, 192010, 205303, 293290, 381277, 410606, 762554, 1026515, 1906385, 2053030, 2668939, 3812770, 5337878, 13344695, 26689390]

約数ペア:

[(1, 26689390), (2, 13344695), (5, 5337878), (7, 3812770), (10, 2668939), (13, 2053030), (14, 1906385), (26, 1026515), (35, 762554), (65, 410606), (70, 381277), (91, 293290), (130, 205303), (139, 192010), (182, 146645), (211, 126490), (278, 96005), (422, 63245), (455, 58658), (695, 38402), (910, 29329), (973, 27430), (1055, 25298), (1390, 19201), (1477, 18070), (1807, 14770), (1946, 13715), (2110, 12649), (2743, 9730), (2954, 9035), (3614, 7385), (4865, 5486)]