287940528

素因数分解:

$2^4\times 3^3\times {\mathrm{666529}}^1$

素因数の和:666546

約数の個数: 40

約数和(自身を含む): 826497200

約数和(自身を除く): 538556672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 666529, 1333058, 1999587, 2666116, 3999174, 5332232, 5998761, 7998348, 10664464, 11997522, 15996696, 17996283, 23995044, 31993392, 35992566, 47990088, 71985132, 95980176, 143970264, 287940528]

約数ペア:

[(1, 287940528), (2, 143970264), (3, 95980176), (4, 71985132), (6, 47990088), (8, 35992566), (9, 31993392), (12, 23995044), (16, 17996283), (18, 15996696), (24, 11997522), (27, 10664464), (36, 7998348), (48, 5998761), (54, 5332232), (72, 3999174), (108, 2666116), (144, 1999587), (216, 1333058), (432, 666529)]