215162178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 566286336

約数和(自身を除く): 351124158

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 37, 41, 42, 66, 74, 77, 82, 111, 123, 154, 222, 231, 246, 259, 287, 307, 407, 451, 462, 518, 574, 614, 777, 814, 861, 902, 921, 1221, 1353, 1517, 1554, 1722, 1842, 2149, 2442, 2706, 2849, 3034, 3157, 3377, 4298, 4551, 5698, 6314, 6447, 6754, 8547, 9102, 9471, 10131, 10619, 11359, 12587, 12894, 16687, 17094, 18942, 20262, 21238, 22718, 23639, 25174, 31857, 33374, 34077, 37761, 47278, 50061, 63714, 68154, 70917, 75522, 79513, 88109, 100122, 116809, 124949, 138457, 141834, 159026, 176218, 233618, 238539, 249898, 264327, 276914, 350427, 374847, 415371, 465719, 477078, 528654, 700854, 749694, 830742, 874643, 931438, 969199, 1397157, 1749286, 1938398, 2623929, 2794314, 2907597, 3260033, 5122909, 5247858, 5815194, 6520066, 9780099, 10245818, 15368727, 19560198, 30737454, 35860363, 71720726, 107581089, 215162178]

約数ペア:

[(1, 215162178), (2, 107581089), (3, 71720726), (6, 35860363), (7, 30737454), (11, 19560198), (14, 15368727), (21, 10245818), (22, 9780099), (33, 6520066), (37, 5815194), (41, 5247858), (42, 5122909), (66, 3260033), (74, 2907597), (77, 2794314), (82, 2623929), (111, 1938398), (123, 1749286), (154, 1397157), (222, 969199), (231, 931438), (246, 874643), (259, 830742), (287, 749694), (307, 700854), (407, 528654), (451, 477078), (462, 465719), (518, 415371), (574, 374847), (614, 350427), (777, 276914), (814, 264327), (861, 249898), (902, 238539), (921, 233618), (1221, 176218), (1353, 159026), (1517, 141834), (1554, 138457), (1722, 124949), (1842, 116809), (2149, 100122), (2442, 88109), (2706, 79513), (2849, 75522), (3034, 70917), (3157, 68154), (3377, 63714), (4298, 50061), (4551, 47278), (5698, 37761), (6314, 34077), (6447, 33374), (6754, 31857), (8547, 25174), (9102, 23639), (9471, 22718), (10131, 21238), (10619, 20262), (11359, 18942), (12587, 17094), (12894, 16687)]