68263205

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1489}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 84000240

約数和(自身を除く): 15737035

約数列:

[1, 5, 53, 173, 265, 865, 1489, 7445, 9169, 45845, 78917, 257597, 394585, 1287985, 13652641, 68263205]

約数ペア:

[(1, 68263205), (5, 13652641), (53, 1287985), (173, 394585), (265, 257597), (865, 78917), (1489, 45845), (7445, 9169)]