39904396

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 82252800

約数和(自身を除く): 42348404

約数列:

[1, 2, 4, 7, 14, 28, 67, 89, 134, 178, 239, 268, 356, 469, 478, 623, 938, 956, 1246, 1673, 1876, 2492, 3346, 5963, 6692, 11926, 16013, 21271, 23852, 32026, 41741, 42542, 64052, 83482, 85084, 112091, 148897, 166964, 224182, 297794, 448364, 595588, 1425157, 2850314, 5700628, 9976099, 19952198, 39904396]

約数ペア:

[(1, 39904396), (2, 19952198), (4, 9976099), (7, 5700628), (14, 2850314), (28, 1425157), (67, 595588), (89, 448364), (134, 297794), (178, 224182), (239, 166964), (268, 148897), (356, 112091), (469, 85084), (478, 83482), (623, 64052), (938, 42542), (956, 41741), (1246, 32026), (1673, 23852), (1876, 21271), (2492, 16013), (3346, 11926), (5963, 6692)]