216947864

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 479001600

約数和(自身を除く): 262053736

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 139, 188, 278, 329, 376, 556, 593, 658, 973, 1112, 1186, 1316, 1946, 2372, 2632, 3892, 4151, 4744, 6533, 7784, 8302, 13066, 16604, 26132, 27871, 33208, 45731, 52264, 55742, 82427, 91462, 111484, 164854, 182924, 195097, 222968, 329708, 365848, 390194, 576989, 659416, 780388, 1153978, 1560776, 2307956, 3874069, 4615912, 7748138, 15496276, 27118483, 30992552, 54236966, 108473932, 216947864]

約数ペア:

[(1, 216947864), (2, 108473932), (4, 54236966), (7, 30992552), (8, 27118483), (14, 15496276), (28, 7748138), (47, 4615912), (56, 3874069), (94, 2307956), (139, 1560776), (188, 1153978), (278, 780388), (329, 659416), (376, 576989), (556, 390194), (593, 365848), (658, 329708), (973, 222968), (1112, 195097), (1186, 182924), (1316, 164854), (1946, 111484), (2372, 91462), (2632, 82427), (3892, 55742), (4151, 52264), (4744, 45731), (6533, 33208), (7784, 27871), (8302, 26132), (13066, 16604)]