217581952

素因数分解:

$2^7\times 7^2\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 510352920

約数和(自身を除く): 292770968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 113, 128, 196, 224, 226, 307, 392, 448, 452, 614, 784, 791, 896, 904, 1228, 1568, 1582, 1808, 2149, 2456, 3136, 3164, 3616, 4298, 4912, 5537, 6272, 6328, 7232, 8596, 9824, 11074, 12656, 14464, 15043, 17192, 19648, 22148, 25312, 30086, 34384, 34691, 39296, 44296, 50624, 60172, 68768, 69382, 88592, 101248, 120344, 137536, 138764, 177184, 240688, 242837, 275072, 277528, 354368, 481376, 485674, 555056, 708736, 962752, 971348, 1110112, 1699859, 1925504, 1942696, 2220224, 3399718, 3885392, 4440448, 6799436, 7770784, 13598872, 15541568, 27197744, 31083136, 54395488, 108790976, 217581952]

約数ペア:

[(1, 217581952), (2, 108790976), (4, 54395488), (7, 31083136), (8, 27197744), (14, 15541568), (16, 13598872), (28, 7770784), (32, 6799436), (49, 4440448), (56, 3885392), (64, 3399718), (98, 2220224), (112, 1942696), (113, 1925504), (128, 1699859), (196, 1110112), (224, 971348), (226, 962752), (307, 708736), (392, 555056), (448, 485674), (452, 481376), (614, 354368), (784, 277528), (791, 275072), (896, 242837), (904, 240688), (1228, 177184), (1568, 138764), (1582, 137536), (1808, 120344), (2149, 101248), (2456, 88592), (3136, 69382), (3164, 68768), (3616, 60172), (4298, 50624), (4912, 44296), (5537, 39296), (6272, 34691), (6328, 34384), (7232, 30086), (8596, 25312), (9824, 22148), (11074, 19648), (12656, 17192), (14464, 15043)]