208678974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 488294400

約数和(自身を除く): 279615426

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 109, 158, 218, 237, 327, 474, 553, 577, 654, 763, 1106, 1154, 1526, 1659, 1731, 2289, 3318, 3462, 4039, 4578, 8078, 8611, 12117, 17222, 24234, 25833, 45583, 51666, 60277, 62893, 91166, 120554, 125786, 136749, 180831, 188679, 273498, 319081, 361662, 377358, 440251, 638162, 880502, 957243, 1320753, 1914486, 2641506, 4968547, 9937094, 14905641, 29811282, 34779829, 69559658, 104339487, 208678974]

約数ペア:

[(1, 208678974), (2, 104339487), (3, 69559658), (6, 34779829), (7, 29811282), (14, 14905641), (21, 9937094), (42, 4968547), (79, 2641506), (109, 1914486), (158, 1320753), (218, 957243), (237, 880502), (327, 638162), (474, 440251), (553, 377358), (577, 361662), (654, 319081), (763, 273498), (1106, 188679), (1154, 180831), (1526, 136749), (1659, 125786), (1731, 120554), (2289, 91166), (3318, 62893), (3462, 60277), (4039, 51666), (4578, 45583), (8078, 25833), (8611, 24234), (12117, 17222)]