80719506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{640631}}^1$

素因数の和:640646

約数の個数: 24

約数和(自身を含む): 199877184

約数和(自身を除く): 119157678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 640631, 1281262, 1921893, 3843786, 4484417, 5765679, 8968834, 11531358, 13453251, 26906502, 40359753, 80719506]

約数ペア:

[(1, 80719506), (2, 40359753), (3, 26906502), (6, 13453251), (7, 11531358), (9, 8968834), (14, 5765679), (18, 4484417), (21, 3843786), (42, 1921893), (63, 1281262), (126, 640631)]