206909281796

素因数分解:

$2^2\times 7^2\times {\mathrm{743}}^1\times {\mathrm{1420807}}^1$

素因数の和:1421568

約数の個数: 36

約数和(自身を含む): 421775379648

約数和(自身を除く): 214866097852

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 743, 1486, 2972, 5201, 10402, 20804, 36407, 72814, 145628, 1420807, 2841614, 5683228, 9945649, 19891298, 39782596, 69619543, 139239086, 278478172, 1055659601, 2111319202, 4222638404, 7389617207, 14779234414, 29558468828, 51727320449, 103454640898, 206909281796]

約数ペア:

[(1, 206909281796), (2, 103454640898), (4, 51727320449), (7, 29558468828), (14, 14779234414), (28, 7389617207), (49, 4222638404), (98, 2111319202), (196, 1055659601), (743, 278478172), (1486, 139239086), (2972, 69619543), (5201, 39782596), (10402, 19891298), (20804, 9945649), (36407, 5683228), (72814, 2841614), (145628, 1420807)]