421508178

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2767}}^1$

素因数の和:2829

約数の個数: 128

約数和(自身を含む): 1190461440

約数和(自身を除く): 768953262

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 54, 62, 63, 78, 91, 93, 117, 126, 182, 186, 189, 217, 234, 273, 279, 351, 378, 403, 434, 546, 558, 651, 702, 806, 819, 837, 1209, 1302, 1638, 1674, 1953, 2418, 2457, 2767, 2821, 3627, 3906, 4914, 5534, 5642, 5859, 7254, 8301, 8463, 10881, 11718, 16602, 16926, 19369, 21762, 24903, 25389, 35971, 38738, 49806, 50778, 58107, 71942, 74709, 76167, 85777, 107913, 116214, 149418, 152334, 171554, 174321, 215826, 251797, 257331, 323739, 348642, 503594, 514662, 522963, 600439, 647478, 755391, 771993, 971217, 1045926, 1115101, 1200878, 1510782, 1543986, 1801317, 1942434, 2230202, 2266173, 2315979, 3345303, 3602634, 4532346, 4631958, 5403951, 6690606, 6798519, 7805707, 10035909, 10807902, 13597038, 15611414, 16211853, 20071818, 23417121, 30107727, 32423706, 46834242, 60215454, 70251363, 140502726, 210754089, 421508178]

約数ペア:

[(1, 421508178), (2, 210754089), (3, 140502726), (6, 70251363), (7, 60215454), (9, 46834242), (13, 32423706), (14, 30107727), (18, 23417121), (21, 20071818), (26, 16211853), (27, 15611414), (31, 13597038), (39, 10807902), (42, 10035909), (54, 7805707), (62, 6798519), (63, 6690606), (78, 5403951), (91, 4631958), (93, 4532346), (117, 3602634), (126, 3345303), (182, 2315979), (186, 2266173), (189, 2230202), (217, 1942434), (234, 1801317), (273, 1543986), (279, 1510782), (351, 1200878), (378, 1115101), (403, 1045926), (434, 971217), (546, 771993), (558, 755391), (651, 647478), (702, 600439), (806, 522963), (819, 514662), (837, 503594), (1209, 348642), (1302, 323739), (1638, 257331), (1674, 251797), (1953, 215826), (2418, 174321), (2457, 171554), (2767, 152334), (2821, 149418), (3627, 116214), (3906, 107913), (4914, 85777), (5534, 76167), (5642, 74709), (5859, 71942), (7254, 58107), (8301, 50778), (8463, 49806), (10881, 38738), (11718, 35971), (16602, 25389), (16926, 24903), (19369, 21762)]