216961808

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 515681280

約数和(自身を除く): 298719472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 79, 98, 112, 113, 124, 158, 196, 217, 226, 248, 316, 392, 434, 452, 496, 553, 632, 784, 791, 868, 904, 1106, 1264, 1519, 1582, 1736, 1808, 2212, 2449, 3038, 3164, 3472, 3503, 3871, 4424, 4898, 5537, 6076, 6328, 7006, 7742, 8848, 8927, 9796, 11074, 12152, 12656, 14012, 15484, 17143, 17854, 19592, 22148, 24304, 24521, 28024, 30968, 34286, 35708, 39184, 44296, 49042, 56048, 61936, 62489, 68572, 71416, 88592, 98084, 120001, 124978, 137144, 142832, 171647, 196168, 240002, 249956, 274288, 276737, 343294, 392336, 437423, 480004, 499912, 553474, 686588, 874846, 960008, 999824, 1106948, 1373176, 1749692, 1920016, 1937159, 2213896, 2746352, 3499384, 3874318, 4427792, 6998768, 7748636, 13560113, 15497272, 27120226, 30994544, 54240452, 108480904, 216961808]

約数ペア:

[(1, 216961808), (2, 108480904), (4, 54240452), (7, 30994544), (8, 27120226), (14, 15497272), (16, 13560113), (28, 7748636), (31, 6998768), (49, 4427792), (56, 3874318), (62, 3499384), (79, 2746352), (98, 2213896), (112, 1937159), (113, 1920016), (124, 1749692), (158, 1373176), (196, 1106948), (217, 999824), (226, 960008), (248, 874846), (316, 686588), (392, 553474), (434, 499912), (452, 480004), (496, 437423), (553, 392336), (632, 343294), (784, 276737), (791, 274288), (868, 249956), (904, 240002), (1106, 196168), (1264, 171647), (1519, 142832), (1582, 137144), (1736, 124978), (1808, 120001), (2212, 98084), (2449, 88592), (3038, 71416), (3164, 68572), (3472, 62489), (3503, 61936), (3871, 56048), (4424, 49042), (4898, 44296), (5537, 39184), (6076, 35708), (6328, 34286), (7006, 30968), (7742, 28024), (8848, 24521), (8927, 24304), (9796, 22148), (11074, 19592), (12152, 17854), (12656, 17143), (14012, 15484)]