209807766

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 567705600

約数和(自身を除く): 357897834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 131, 133, 171, 189, 223, 262, 266, 342, 378, 393, 399, 446, 513, 669, 786, 798, 917, 1026, 1179, 1197, 1338, 1561, 1834, 2007, 2358, 2394, 2489, 2751, 3122, 3537, 3591, 4014, 4237, 4683, 4978, 5502, 6021, 7074, 7182, 7467, 8253, 8474, 9366, 12042, 12711, 14049, 14934, 16506, 17423, 22401, 24759, 25422, 28098, 29213, 29659, 34846, 38133, 42147, 44802, 49518, 52269, 58426, 59318, 67203, 76266, 84294, 87639, 88977, 104538, 114399, 134406, 156807, 175278, 177954, 204491, 228798, 262917, 266931, 313614, 408982, 470421, 525834, 533862, 555047, 613473, 788751, 800793, 940842, 1110094, 1226946, 1577502, 1601586, 1665141, 1840419, 3330282, 3680838, 3885329, 4995423, 5521257, 7770658, 9990846, 11042514, 11655987, 14986269, 23311974, 29972538, 34967961, 69935922, 104903883, 209807766]

約数ペア:

[(1, 209807766), (2, 104903883), (3, 69935922), (6, 34967961), (7, 29972538), (9, 23311974), (14, 14986269), (18, 11655987), (19, 11042514), (21, 9990846), (27, 7770658), (38, 5521257), (42, 4995423), (54, 3885329), (57, 3680838), (63, 3330282), (114, 1840419), (126, 1665141), (131, 1601586), (133, 1577502), (171, 1226946), (189, 1110094), (223, 940842), (262, 800793), (266, 788751), (342, 613473), (378, 555047), (393, 533862), (399, 525834), (446, 470421), (513, 408982), (669, 313614), (786, 266931), (798, 262917), (917, 228798), (1026, 204491), (1179, 177954), (1197, 175278), (1338, 156807), (1561, 134406), (1834, 114399), (2007, 104538), (2358, 88977), (2394, 87639), (2489, 84294), (2751, 76266), (3122, 67203), (3537, 59318), (3591, 58426), (4014, 52269), (4237, 49518), (4683, 44802), (4978, 42147), (5502, 38133), (6021, 34846), (7074, 29659), (7182, 29213), (7467, 28098), (8253, 25422), (8474, 24759), (9366, 22401), (12042, 17423), (12711, 16506), (14049, 14934)]