65665548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 179929568

約数和(自身を除く): 114264020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 193, 234, 386, 468, 579, 727, 772, 1158, 1454, 1737, 2181, 2316, 2509, 2908, 3474, 4362, 5018, 6543, 6948, 7527, 8724, 9451, 10036, 13086, 15054, 18902, 22581, 26172, 28353, 30108, 37804, 45162, 56706, 85059, 90324, 113412, 140311, 170118, 280622, 340236, 420933, 561244, 841866, 1262799, 1683732, 1824043, 2525598, 3648086, 5051196, 5472129, 7296172, 10944258, 16416387, 21888516, 32832774, 65665548]

約数ペア:

[(1, 65665548), (2, 32832774), (3, 21888516), (4, 16416387), (6, 10944258), (9, 7296172), (12, 5472129), (13, 5051196), (18, 3648086), (26, 2525598), (36, 1824043), (39, 1683732), (52, 1262799), (78, 841866), (117, 561244), (156, 420933), (193, 340236), (234, 280622), (386, 170118), (468, 140311), (579, 113412), (727, 90324), (772, 85059), (1158, 56706), (1454, 45162), (1737, 37804), (2181, 30108), (2316, 28353), (2509, 26172), (2908, 22581), (3474, 18902), (4362, 15054), (5018, 13086), (6543, 10036), (6948, 9451), (7527, 8724)]