217880586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:529

約数の個数: 144

約数和(自身を含む): 613476864

約数和(自身を除く): 395596278

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 31, 33, 42, 62, 63, 66, 77, 93, 99, 121, 126, 154, 186, 198, 217, 231, 242, 279, 341, 363, 434, 461, 462, 558, 651, 682, 693, 726, 847, 922, 1023, 1089, 1302, 1383, 1386, 1694, 1953, 2046, 2178, 2387, 2541, 2766, 3069, 3227, 3751, 3906, 4149, 4774, 5071, 5082, 6138, 6454, 7161, 7502, 7623, 8298, 9681, 10142, 11253, 14291, 14322, 15213, 15246, 19362, 21483, 22506, 26257, 28582, 29043, 30426, 33759, 35497, 42873, 42966, 45639, 52514, 55781, 58086, 67518, 70994, 78771, 85746, 91278, 100037, 106491, 111562, 128619, 157201, 157542, 167343, 200074, 212982, 236313, 257238, 300111, 314402, 319473, 334686, 390467, 471603, 472626, 502029, 600222, 638946, 780934, 900333, 943206, 1004058, 1100407, 1171401, 1414809, 1729211, 1800666, 2200814, 2342802, 2829618, 3301221, 3458422, 3514203, 5187633, 6602442, 7028406, 9903663, 10375266, 12104477, 15562899, 19807326, 24208954, 31125798, 36313431, 72626862, 108940293, 217880586]

約数ペア:

[(1, 217880586), (2, 108940293), (3, 72626862), (6, 36313431), (7, 31125798), (9, 24208954), (11, 19807326), (14, 15562899), (18, 12104477), (21, 10375266), (22, 9903663), (31, 7028406), (33, 6602442), (42, 5187633), (62, 3514203), (63, 3458422), (66, 3301221), (77, 2829618), (93, 2342802), (99, 2200814), (121, 1800666), (126, 1729211), (154, 1414809), (186, 1171401), (198, 1100407), (217, 1004058), (231, 943206), (242, 900333), (279, 780934), (341, 638946), (363, 600222), (434, 502029), (461, 472626), (462, 471603), (558, 390467), (651, 334686), (682, 319473), (693, 314402), (726, 300111), (847, 257238), (922, 236313), (1023, 212982), (1089, 200074), (1302, 167343), (1383, 157542), (1386, 157201), (1694, 128619), (1953, 111562), (2046, 106491), (2178, 100037), (2387, 91278), (2541, 85746), (2766, 78771), (3069, 70994), (3227, 67518), (3751, 58086), (3906, 55781), (4149, 52514), (4774, 45639), (5071, 42966), (5082, 42873), (6138, 35497), (6454, 33759), (7161, 30426), (7502, 29043), (7623, 28582), (8298, 26257), (9681, 22506), (10142, 21483), (11253, 19362), (14291, 15246), (14322, 15213)]