217913136

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20921}}^1$

素因数の和:20970

約数の個数: 80

約数和(自身を含む): 664147968

約数和(自身を除く): 446234832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 20921, 41842, 62763, 83684, 125526, 146447, 167368, 251052, 292894, 334736, 439341, 502104, 585788, 648551, 878682, 1004208, 1171576, 1297102, 1757364, 1945653, 2343152, 2594204, 3514728, 3891306, 4539857, 5188408, 7029456, 7782612, 9079714, 10376816, 13619571, 15565224, 18159428, 27239142, 31130448, 36318856, 54478284, 72637712, 108956568, 217913136]

約数ペア:

[(1, 217913136), (2, 108956568), (3, 72637712), (4, 54478284), (6, 36318856), (7, 31130448), (8, 27239142), (12, 18159428), (14, 15565224), (16, 13619571), (21, 10376816), (24, 9079714), (28, 7782612), (31, 7029456), (42, 5188408), (48, 4539857), (56, 3891306), (62, 3514728), (84, 2594204), (93, 2343152), (112, 1945653), (124, 1757364), (168, 1297102), (186, 1171576), (217, 1004208), (248, 878682), (336, 648551), (372, 585788), (434, 502104), (496, 439341), (651, 334736), (744, 292894), (868, 251052), (1302, 167368), (1488, 146447), (1736, 125526), (2604, 83684), (3472, 62763), (5208, 41842), (10416, 20921)]