217142912

素因数分解:

$2^7\times 7^2\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 510178500

約数和(自身を除く): 293035588

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 89, 98, 112, 128, 178, 196, 224, 356, 389, 392, 448, 623, 712, 778, 784, 896, 1246, 1424, 1556, 1568, 2492, 2723, 2848, 3112, 3136, 4361, 4984, 5446, 5696, 6224, 6272, 8722, 9968, 10892, 11392, 12448, 17444, 19061, 19936, 21784, 24896, 34621, 34888, 38122, 39872, 43568, 49792, 69242, 69776, 76244, 79744, 87136, 138484, 139552, 152488, 174272, 242347, 276968, 279104, 304976, 348544, 484694, 553936, 558208, 609952, 969388, 1107872, 1219904, 1696429, 1938776, 2215744, 2439808, 3392858, 3877552, 4431488, 6785716, 7755104, 13571432, 15510208, 27142864, 31020416, 54285728, 108571456, 217142912]

約数ペア:

[(1, 217142912), (2, 108571456), (4, 54285728), (7, 31020416), (8, 27142864), (14, 15510208), (16, 13571432), (28, 7755104), (32, 6785716), (49, 4431488), (56, 3877552), (64, 3392858), (89, 2439808), (98, 2215744), (112, 1938776), (128, 1696429), (178, 1219904), (196, 1107872), (224, 969388), (356, 609952), (389, 558208), (392, 553936), (448, 484694), (623, 348544), (712, 304976), (778, 279104), (784, 276968), (896, 242347), (1246, 174272), (1424, 152488), (1556, 139552), (1568, 138484), (2492, 87136), (2723, 79744), (2848, 76244), (3112, 69776), (3136, 69242), (4361, 49792), (4984, 43568), (5446, 39872), (5696, 38122), (6224, 34888), (6272, 34621), (8722, 24896), (9968, 21784), (10892, 19936), (11392, 19061), (12448, 17444)]