858704885

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 1097349120

約数和(自身を除く): 238644235

約数列:

[1, 5, 23, 71, 115, 251, 355, 419, 1255, 1633, 2095, 5773, 8165, 9637, 17821, 28865, 29749, 48185, 89105, 105169, 148745, 409883, 525845, 684227, 2049415, 2418887, 3421135, 7466999, 12094435, 37334995, 171740977, 858704885]

約数ペア:

[(1, 858704885), (5, 171740977), (23, 37334995), (71, 12094435), (115, 7466999), (251, 3421135), (355, 2418887), (419, 2049415), (1255, 684227), (1633, 525845), (2095, 409883), (5773, 148745), (8165, 105169), (9637, 89105), (17821, 48185), (28865, 29749)]