217785257998

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1877}}^1\times {\mathrm{2909}}^1$

素因数の和:4850

約数の個数: 96

約数和(自身を含む): 426137280480

約数和(自身を除く): 208352022482

約数列:

[1, 2, 7, 11, 14, 22, 37, 49, 74, 77, 98, 154, 259, 407, 518, 539, 814, 1078, 1813, 1877, 2849, 2909, 3626, 3754, 5698, 5818, 13139, 19943, 20363, 20647, 26278, 31999, 39886, 40726, 41294, 63998, 69449, 91973, 107633, 138898, 142541, 144529, 183946, 215266, 223993, 285082, 289058, 447986, 486143, 753431, 763939, 972286, 1011703, 1183963, 1506862, 1527878, 1567951, 2023406, 2367926, 3135902, 3403001, 5274017, 5347573, 5460193, 6806002, 8287741, 10548034, 10695146, 10920386, 16575482, 37433011, 38221351, 58014187, 60062123, 74866022, 76442702, 116028374, 120124246, 202027141, 267549457, 404054282, 420434861, 535098914, 840869722, 1414189987, 2222298551, 2828379974, 2943044027, 4444597102, 5886088054, 9899329909, 15556089857, 19798659818, 31112179714, 108892628999, 217785257998]

約数ペア:

[(1, 217785257998), (2, 108892628999), (7, 31112179714), (11, 19798659818), (14, 15556089857), (22, 9899329909), (37, 5886088054), (49, 4444597102), (74, 2943044027), (77, 2828379974), (98, 2222298551), (154, 1414189987), (259, 840869722), (407, 535098914), (518, 420434861), (539, 404054282), (814, 267549457), (1078, 202027141), (1813, 120124246), (1877, 116028374), (2849, 76442702), (2909, 74866022), (3626, 60062123), (3754, 58014187), (5698, 38221351), (5818, 37433011), (13139, 16575482), (19943, 10920386), (20363, 10695146), (20647, 10548034), (26278, 8287741), (31999, 6806002), (39886, 5460193), (40726, 5347573), (41294, 5274017), (63998, 3403001), (69449, 3135902), (91973, 2367926), (107633, 2023406), (138898, 1567951), (142541, 1527878), (144529, 1506862), (183946, 1183963), (215266, 1011703), (223993, 972286), (285082, 763939), (289058, 753431), (447986, 486143)]