28738385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 10936495

約数列:

[1, 5, 13, 23, 47, 65, 115, 235, 299, 409, 611, 1081, 1495, 2045, 3055, 5317, 5405, 9407, 14053, 19223, 26585, 47035, 70265, 96115, 122291, 249899, 442129, 611455, 1249495, 2210645, 5747677, 28738385]

約数ペア:

[(1, 28738385), (5, 5747677), (13, 2210645), (23, 1249495), (47, 611455), (65, 442129), (115, 249899), (235, 122291), (299, 96115), (409, 70265), (611, 47035), (1081, 26585), (1495, 19223), (2045, 14053), (3055, 9407), (5317, 5405)]