217445538

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 517881600

約数和(自身を除く): 300436062

約数列:

[1, 2, 3, 6, 17, 19, 29, 34, 38, 51, 53, 57, 58, 73, 87, 102, 106, 114, 146, 159, 174, 219, 318, 323, 438, 493, 551, 646, 901, 969, 986, 1007, 1102, 1241, 1387, 1479, 1537, 1653, 1802, 1938, 2014, 2117, 2482, 2703, 2774, 2958, 3021, 3074, 3306, 3723, 3869, 4161, 4234, 4611, 5406, 6042, 6351, 7446, 7738, 8322, 9222, 9367, 11607, 12702, 17119, 18734, 23214, 23579, 26129, 28101, 29203, 34238, 35989, 40223, 47158, 51357, 52258, 56202, 58406, 65773, 70737, 71978, 73511, 78387, 80446, 87609, 102714, 107967, 112201, 120669, 131546, 141474, 147022, 156774, 175218, 197319, 215934, 220533, 224402, 241338, 336603, 394638, 441066, 496451, 673206, 683791, 992902, 1249687, 1367582, 1489353, 1907417, 2051373, 2131819, 2499374, 2978706, 3749061, 3814834, 4102746, 4263638, 5722251, 6395457, 7498122, 11444502, 12790914, 36240923, 72481846, 108722769, 217445538]

約数ペア:

[(1, 217445538), (2, 108722769), (3, 72481846), (6, 36240923), (17, 12790914), (19, 11444502), (29, 7498122), (34, 6395457), (38, 5722251), (51, 4263638), (53, 4102746), (57, 3814834), (58, 3749061), (73, 2978706), (87, 2499374), (102, 2131819), (106, 2051373), (114, 1907417), (146, 1489353), (159, 1367582), (174, 1249687), (219, 992902), (318, 683791), (323, 673206), (438, 496451), (493, 441066), (551, 394638), (646, 336603), (901, 241338), (969, 224402), (986, 220533), (1007, 215934), (1102, 197319), (1241, 175218), (1387, 156774), (1479, 147022), (1537, 141474), (1653, 131546), (1802, 120669), (1938, 112201), (2014, 107967), (2117, 102714), (2482, 87609), (2703, 80446), (2774, 78387), (2958, 73511), (3021, 71978), (3074, 70737), (3306, 65773), (3723, 58406), (3869, 56202), (4161, 52258), (4234, 51357), (4611, 47158), (5406, 40223), (6042, 35989), (6351, 34238), (7446, 29203), (7738, 28101), (8322, 26129), (9222, 23579), (9367, 23214), (11607, 18734), (12702, 17119)]