28177843505

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42372697}}^1$

素因数の和:42372728

約数の個数: 16

約数和(自身を含む): 40677790080

約数和(自身を除く): 12499946575

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 42372697, 211863485, 296608879, 805081243, 1483044395, 4025406215, 5635568701, 28177843505]

約数ペア:

[(1, 28177843505), (5, 5635568701), (7, 4025406215), (19, 1483044395), (35, 805081243), (95, 296608879), (133, 211863485), (665, 42372697)]