1900384915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{4021}}^1$

素因数の和:4711

約数の個数: 32

約数和(自身を含む): 2683864512

約数和(自身を除く): 783479597

約数列:

[1, 5, 11, 13, 55, 65, 143, 661, 715, 3305, 4021, 7271, 8593, 20105, 36355, 42965, 44231, 52273, 94523, 221155, 261365, 472615, 575003, 2657881, 2875015, 13289405, 29236691, 34552453, 146183455, 172762265, 380076983, 1900384915]

約数ペア:

[(1, 1900384915), (5, 380076983), (11, 172762265), (13, 146183455), (55, 34552453), (65, 29236691), (143, 13289405), (661, 2875015), (715, 2657881), (3305, 575003), (4021, 472615), (7271, 261365), (8593, 221155), (20105, 94523), (36355, 52273), (42965, 44231)]