1641016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 3427200

約数和(自身を除く): 1786184

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 509, 806, 1018, 1612, 2036, 3224, 4072, 6617, 13234, 15779, 26468, 31558, 52936, 63116, 126232, 205127, 410254, 820508, 1641016]

約数ペア:

[(1, 1641016), (2, 820508), (4, 410254), (8, 205127), (13, 126232), (26, 63116), (31, 52936), (52, 31558), (62, 26468), (104, 15779), (124, 13234), (248, 6617), (403, 4072), (509, 3224), (806, 2036), (1018, 1612)]