1081808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 2583168

約数和(自身を除く): 1501360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 743, 1456, 1486, 2972, 5201, 5944, 9659, 10402, 11888, 19318, 20804, 38636, 41608, 67613, 77272, 83216, 135226, 154544, 270452, 540904, 1081808]

約数ペア:

[(1, 1081808), (2, 540904), (4, 270452), (7, 154544), (8, 135226), (13, 83216), (14, 77272), (16, 67613), (26, 41608), (28, 38636), (52, 20804), (56, 19318), (91, 11888), (104, 10402), (112, 9659), (182, 5944), (208, 5201), (364, 2972), (728, 1486), (743, 1456)]