217919141

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 264249216

約数和(自身を除く): 46330075

約数列:

[1, 11, 17, 41, 43, 187, 451, 473, 661, 697, 731, 1763, 7271, 7667, 8041, 11237, 19393, 27101, 28423, 29971, 123607, 298111, 312653, 329681, 460717, 483191, 1165343, 5067887, 5315101, 12818773, 19810831, 217919141]

約数ペア:

[(1, 217919141), (11, 19810831), (17, 12818773), (41, 5315101), (43, 5067887), (187, 1165343), (451, 483191), (473, 460717), (661, 329681), (697, 312653), (731, 298111), (1763, 123607), (7271, 29971), (7667, 28423), (8041, 27101), (11237, 19393)]