17687236

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 38610432

約数和(自身を除く): 20923196

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 49, 62, 71, 82, 98, 124, 142, 164, 196, 217, 284, 287, 434, 497, 574, 868, 994, 1148, 1271, 1519, 1988, 2009, 2201, 2542, 2911, 3038, 3479, 4018, 4402, 5084, 5822, 6076, 6958, 8036, 8804, 8897, 11644, 13916, 15407, 17794, 20377, 30814, 35588, 40754, 61628, 62279, 81508, 90241, 107849, 124558, 142639, 180482, 215698, 249116, 285278, 360964, 431396, 570556, 631687, 1263374, 2526748, 4421809, 8843618, 17687236]

約数ペア:

[(1, 17687236), (2, 8843618), (4, 4421809), (7, 2526748), (14, 1263374), (28, 631687), (31, 570556), (41, 431396), (49, 360964), (62, 285278), (71, 249116), (82, 215698), (98, 180482), (124, 142639), (142, 124558), (164, 107849), (196, 90241), (217, 81508), (284, 62279), (287, 61628), (434, 40754), (497, 35588), (574, 30814), (868, 20377), (994, 17794), (1148, 15407), (1271, 13916), (1519, 11644), (1988, 8897), (2009, 8804), (2201, 8036), (2542, 6958), (2911, 6076), (3038, 5822), (3479, 5084), (4018, 4402)]