217411656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1755

約数の個数: 128

約数和(自身を含む): 687605760

約数和(自身を除く): 470194104

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 71, 77, 84, 88, 132, 142, 154, 168, 213, 231, 264, 284, 308, 426, 462, 497, 568, 616, 781, 852, 924, 994, 1491, 1562, 1657, 1704, 1848, 1988, 2343, 2982, 3124, 3314, 3976, 4686, 4971, 5467, 5964, 6248, 6628, 9372, 9942, 10934, 11599, 11928, 13256, 16401, 18227, 18744, 19884, 21868, 23198, 32802, 34797, 36454, 39768, 43736, 46396, 54681, 65604, 69594, 72908, 92792, 109362, 117647, 127589, 131208, 139188, 145816, 218724, 235294, 255178, 278376, 352941, 382767, 437448, 470588, 510356, 705882, 765534, 823529, 941176, 1020712, 1294117, 1411764, 1531068, 1647058, 2470587, 2588234, 2823528, 3062136, 3294116, 3882351, 4941174, 5176468, 6588232, 7764702, 9058819, 9882348, 10352936, 15529404, 18117638, 19764696, 27176457, 31058808, 36235276, 54352914, 72470552, 108705828, 217411656]

約数ペア:

[(1, 217411656), (2, 108705828), (3, 72470552), (4, 54352914), (6, 36235276), (7, 31058808), (8, 27176457), (11, 19764696), (12, 18117638), (14, 15529404), (21, 10352936), (22, 9882348), (24, 9058819), (28, 7764702), (33, 6588232), (42, 5176468), (44, 4941174), (56, 3882351), (66, 3294116), (71, 3062136), (77, 2823528), (84, 2588234), (88, 2470587), (132, 1647058), (142, 1531068), (154, 1411764), (168, 1294117), (213, 1020712), (231, 941176), (264, 823529), (284, 765534), (308, 705882), (426, 510356), (462, 470588), (497, 437448), (568, 382767), (616, 352941), (781, 278376), (852, 255178), (924, 235294), (994, 218724), (1491, 145816), (1562, 139188), (1657, 131208), (1704, 127589), (1848, 117647), (1988, 109362), (2343, 92792), (2982, 72908), (3124, 69594), (3314, 65604), (3976, 54681), (4686, 46396), (4971, 43736), (5467, 39768), (5964, 36454), (6248, 34797), (6628, 32802), (9372, 23198), (9942, 21868), (10934, 19884), (11599, 18744), (11928, 18227), (13256, 16401)]