216855968

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 542959200

約数和(自身を除く): 326103232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 32, 38, 49, 56, 58, 76, 98, 112, 116, 133, 152, 196, 203, 224, 232, 251, 266, 304, 392, 406, 464, 502, 532, 551, 608, 784, 812, 928, 931, 1004, 1064, 1102, 1421, 1568, 1624, 1757, 1862, 2008, 2128, 2204, 2842, 3248, 3514, 3724, 3857, 4016, 4256, 4408, 4769, 5684, 6496, 7028, 7279, 7448, 7714, 8032, 8816, 9538, 11368, 12299, 14056, 14558, 14896, 15428, 17632, 19076, 22736, 24598, 26999, 28112, 29116, 29792, 30856, 33383, 38152, 45472, 49196, 50953, 53998, 56224, 58232, 61712, 66766, 76304, 98392, 101906, 107996, 116464, 123424, 133532, 138301, 152608, 196784, 203812, 215992, 232928, 233681, 267064, 276602, 356671, 393568, 407624, 431984, 467362, 534128, 553204, 713342, 815248, 863968, 934724, 968107, 1068256, 1106408, 1426684, 1630496, 1869448, 1936214, 2212816, 2853368, 3738896, 3872428, 4425632, 5706736, 6776749, 7477792, 7744856, 11413472, 13553498, 15489712, 27106996, 30979424, 54213992, 108427984, 216855968]

約数ペア:

[(1, 216855968), (2, 108427984), (4, 54213992), (7, 30979424), (8, 27106996), (14, 15489712), (16, 13553498), (19, 11413472), (28, 7744856), (29, 7477792), (32, 6776749), (38, 5706736), (49, 4425632), (56, 3872428), (58, 3738896), (76, 2853368), (98, 2212816), (112, 1936214), (116, 1869448), (133, 1630496), (152, 1426684), (196, 1106408), (203, 1068256), (224, 968107), (232, 934724), (251, 863968), (266, 815248), (304, 713342), (392, 553204), (406, 534128), (464, 467362), (502, 431984), (532, 407624), (551, 393568), (608, 356671), (784, 276602), (812, 267064), (928, 233681), (931, 232928), (1004, 215992), (1064, 203812), (1102, 196784), (1421, 152608), (1568, 138301), (1624, 133532), (1757, 123424), (1862, 116464), (2008, 107996), (2128, 101906), (2204, 98392), (2842, 76304), (3248, 66766), (3514, 61712), (3724, 58232), (3857, 56224), (4016, 53998), (4256, 50953), (4408, 49196), (4769, 45472), (5684, 38152), (6496, 33383), (7028, 30856), (7279, 29792), (7448, 29116), (7714, 28112), (8032, 26999), (8816, 24598), (9538, 22736), (11368, 19076), (12299, 17632), (14056, 15428), (14558, 14896)]