217778868

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{9467}}^1$

素因数の和:9554

約数の個数: 60

約数和(自身を含む): 577396512

約数和(自身を除く): 359617644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 639, 852, 1278, 1917, 2556, 3834, 5751, 7668, 9467, 11502, 18934, 23004, 28401, 37868, 56802, 85203, 113604, 170406, 255609, 340812, 511218, 672157, 766827, 1022436, 1344314, 1533654, 2016471, 2688628, 3067308, 4032942, 6049413, 8065884, 12098826, 18148239, 24197652, 36296478, 54444717, 72592956, 108889434, 217778868]

約数ペア:

[(1, 217778868), (2, 108889434), (3, 72592956), (4, 54444717), (6, 36296478), (9, 24197652), (12, 18148239), (18, 12098826), (27, 8065884), (36, 6049413), (54, 4032942), (71, 3067308), (81, 2688628), (108, 2016471), (142, 1533654), (162, 1344314), (213, 1022436), (284, 766827), (324, 672157), (426, 511218), (639, 340812), (852, 255609), (1278, 170406), (1917, 113604), (2556, 85203), (3834, 56802), (5751, 37868), (7668, 28401), (9467, 23004), (11502, 18934)]