209240328

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 605859840

約数和(自身を除く): 396619512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 37, 44, 62, 66, 74, 88, 93, 111, 124, 132, 148, 186, 222, 248, 264, 296, 341, 372, 407, 444, 682, 691, 744, 814, 888, 1023, 1147, 1221, 1364, 1382, 1628, 2046, 2073, 2294, 2442, 2728, 2764, 3256, 3441, 4092, 4146, 4588, 4884, 5528, 6882, 7601, 8184, 8292, 9176, 9768, 12617, 13764, 15202, 16584, 21421, 22803, 25234, 25567, 27528, 30404, 37851, 42842, 45606, 50468, 51134, 60808, 64263, 75702, 76701, 85684, 91212, 100936, 102268, 128526, 151404, 153402, 171368, 182424, 204536, 235631, 257052, 281237, 302808, 306804, 471262, 514104, 562474, 613608, 706893, 792577, 843711, 942524, 1124948, 1413786, 1585154, 1687422, 1885048, 2249896, 2377731, 2827572, 3170308, 3374844, 4755462, 5655144, 6340616, 6749688, 8718347, 9510924, 17436694, 19021848, 26155041, 34873388, 52310082, 69746776, 104620164, 209240328]

約数ペア:

[(1, 209240328), (2, 104620164), (3, 69746776), (4, 52310082), (6, 34873388), (8, 26155041), (11, 19021848), (12, 17436694), (22, 9510924), (24, 8718347), (31, 6749688), (33, 6340616), (37, 5655144), (44, 4755462), (62, 3374844), (66, 3170308), (74, 2827572), (88, 2377731), (93, 2249896), (111, 1885048), (124, 1687422), (132, 1585154), (148, 1413786), (186, 1124948), (222, 942524), (248, 843711), (264, 792577), (296, 706893), (341, 613608), (372, 562474), (407, 514104), (444, 471262), (682, 306804), (691, 302808), (744, 281237), (814, 257052), (888, 235631), (1023, 204536), (1147, 182424), (1221, 171368), (1364, 153402), (1382, 151404), (1628, 128526), (2046, 102268), (2073, 100936), (2294, 91212), (2442, 85684), (2728, 76701), (2764, 75702), (3256, 64263), (3441, 60808), (4092, 51134), (4146, 50468), (4588, 45606), (4884, 42842), (5528, 37851), (6882, 30404), (7601, 27528), (8184, 25567), (8292, 25234), (9176, 22803), (9768, 21421), (12617, 16584), (13764, 15202)]