7940405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6277}}^1$

素因数の和:6316

約数の個数: 16

約数和(自身を含む): 10848384

約数和(自身を除く): 2907979

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 6277, 31385, 69047, 144371, 345235, 721855, 1588081, 7940405]

約数ペア:

[(1, 7940405), (5, 1588081), (11, 721855), (23, 345235), (55, 144371), (115, 69047), (253, 31385), (1265, 6277)]