218612128

素因数分解:

$2^5\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1434

約数の個数: 72

約数和(自身を含む): 505727712

約数和(自身を除く): 287115584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 107, 112, 196, 214, 224, 392, 428, 749, 784, 856, 1303, 1498, 1568, 1712, 2606, 2996, 3424, 5212, 5243, 5992, 9121, 10424, 10486, 11984, 18242, 20848, 20972, 23968, 36484, 41696, 41944, 63847, 72968, 83888, 127694, 139421, 145936, 167776, 255388, 278842, 291872, 510776, 557684, 975947, 1021552, 1115368, 1951894, 2043104, 2230736, 3903788, 4461472, 6831629, 7807576, 13663258, 15615152, 27326516, 31230304, 54653032, 109306064, 218612128]

約数ペア:

[(1, 218612128), (2, 109306064), (4, 54653032), (7, 31230304), (8, 27326516), (14, 15615152), (16, 13663258), (28, 7807576), (32, 6831629), (49, 4461472), (56, 3903788), (98, 2230736), (107, 2043104), (112, 1951894), (196, 1115368), (214, 1021552), (224, 975947), (392, 557684), (428, 510776), (749, 291872), (784, 278842), (856, 255388), (1303, 167776), (1498, 145936), (1568, 139421), (1712, 127694), (2606, 83888), (2996, 72968), (3424, 63847), (5212, 41944), (5243, 41696), (5992, 36484), (9121, 23968), (10424, 20972), (10486, 20848), (11984, 18242)]