28280365

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 8733395

約数列:

[1, 5, 29, 41, 67, 71, 145, 205, 335, 355, 1189, 1943, 2059, 2747, 2911, 4757, 5945, 9715, 10295, 13735, 14555, 23785, 79663, 84419, 137953, 195037, 398315, 422095, 689765, 975185, 5656073, 28280365]

約数ペア:

[(1, 28280365), (5, 5656073), (29, 975185), (41, 689765), (67, 422095), (71, 398315), (145, 195037), (205, 137953), (335, 84419), (355, 79663), (1189, 23785), (1943, 14555), (2059, 13735), (2747, 10295), (2911, 9715), (4757, 5945)]