212991504

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 160

約数和(自身を含む): 647637120

約数和(自身を除く): 434645616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 61, 66, 68, 88, 102, 122, 132, 136, 176, 183, 187, 204, 244, 264, 272, 366, 374, 389, 408, 488, 528, 561, 671, 732, 748, 778, 816, 976, 1037, 1122, 1167, 1342, 1464, 1496, 1556, 2013, 2074, 2244, 2334, 2684, 2928, 2992, 3111, 3112, 4026, 4148, 4279, 4488, 4668, 5368, 6222, 6224, 6613, 8052, 8296, 8558, 8976, 9336, 10736, 11407, 12444, 12837, 13226, 16104, 16592, 17116, 18672, 19839, 22814, 23729, 24888, 25674, 26452, 32208, 34221, 34232, 39678, 45628, 47458, 49776, 51348, 52904, 68442, 68464, 71187, 72743, 79356, 91256, 94916, 102696, 105808, 136884, 142374, 145486, 158712, 182512, 189832, 205392, 218229, 261019, 273768, 284748, 290972, 317424, 379664, 403393, 436458, 522038, 547536, 569496, 581944, 783057, 806786, 872916, 1044076, 1138992, 1163888, 1210179, 1566114, 1613572, 1745832, 2088152, 2420358, 3132228, 3227144, 3491664, 4176304, 4437323, 4840716, 6264456, 6454288, 8874646, 9681432, 12528912, 13311969, 17749292, 19362864, 26623938, 35498584, 53247876, 70997168, 106495752, 212991504]

約数ペア:

[(1, 212991504), (2, 106495752), (3, 70997168), (4, 53247876), (6, 35498584), (8, 26623938), (11, 19362864), (12, 17749292), (16, 13311969), (17, 12528912), (22, 9681432), (24, 8874646), (33, 6454288), (34, 6264456), (44, 4840716), (48, 4437323), (51, 4176304), (61, 3491664), (66, 3227144), (68, 3132228), (88, 2420358), (102, 2088152), (122, 1745832), (132, 1613572), (136, 1566114), (176, 1210179), (183, 1163888), (187, 1138992), (204, 1044076), (244, 872916), (264, 806786), (272, 783057), (366, 581944), (374, 569496), (389, 547536), (408, 522038), (488, 436458), (528, 403393), (561, 379664), (671, 317424), (732, 290972), (748, 284748), (778, 273768), (816, 261019), (976, 218229), (1037, 205392), (1122, 189832), (1167, 182512), (1342, 158712), (1464, 145486), (1496, 142374), (1556, 136884), (2013, 105808), (2074, 102696), (2244, 94916), (2334, 91256), (2684, 79356), (2928, 72743), (2992, 71187), (3111, 68464), (3112, 68442), (4026, 52904), (4148, 51348), (4279, 49776), (4488, 47458), (4668, 45628), (5368, 39678), (6222, 34232), (6224, 34221), (6613, 32208), (8052, 26452), (8296, 25674), (8558, 24888), (8976, 23729), (9336, 22814), (10736, 19839), (11407, 18672), (12444, 17116), (12837, 16592), (13226, 16104)]