64278071

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 80958528

約数和(自身を除く): 16680457

約数列:

[1, 11, 13, 17, 137, 143, 187, 193, 221, 1507, 1781, 2123, 2329, 2431, 2509, 3281, 19591, 25619, 26441, 27599, 30277, 36091, 42653, 290851, 333047, 343733, 449497, 469183, 3781063, 4944467, 5843461, 64278071]

約数ペア:

[(1, 64278071), (11, 5843461), (13, 4944467), (17, 3781063), (137, 469183), (143, 449497), (187, 343733), (193, 333047), (221, 290851), (1507, 42653), (1781, 36091), (2123, 30277), (2329, 27599), (2431, 26441), (2509, 25619), (3281, 19591)]