217438926

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 479520000

約数和(自身を除く): 262081074

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 89, 114, 174, 178, 267, 534, 551, 739, 1102, 1478, 1653, 1691, 2217, 2581, 3306, 3382, 4434, 5073, 5162, 7743, 10146, 14041, 15486, 21431, 28082, 42123, 42862, 49039, 64293, 65771, 84246, 98078, 128586, 131542, 147117, 197313, 294234, 394626, 407189, 814378, 1221567, 1249649, 1907359, 2443134, 2499298, 3748947, 3814718, 5722077, 7497894, 11444154, 36239821, 72479642, 108719463, 217438926]

約数ペア:

[(1, 217438926), (2, 108719463), (3, 72479642), (6, 36239821), (19, 11444154), (29, 7497894), (38, 5722077), (57, 3814718), (58, 3748947), (87, 2499298), (89, 2443134), (114, 1907359), (174, 1249649), (178, 1221567), (267, 814378), (534, 407189), (551, 394626), (739, 294234), (1102, 197313), (1478, 147117), (1653, 131542), (1691, 128586), (2217, 98078), (2581, 84246), (3306, 65771), (3382, 64293), (4434, 49039), (5073, 42862), (5162, 42123), (7743, 28082), (10146, 21431), (14041, 15486)]