81241624

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 154994400

約数和(自身を除く): 73752776

約数列:

[1, 2, 4, 8, 109, 151, 218, 302, 436, 604, 617, 872, 1208, 1234, 2468, 4936, 16459, 32918, 65836, 67253, 93167, 131672, 134506, 186334, 269012, 372668, 538024, 745336, 10155203, 20310406, 40620812, 81241624]

約数ペア:

[(1, 81241624), (2, 40620812), (4, 20310406), (8, 10155203), (109, 745336), (151, 538024), (218, 372668), (302, 269012), (436, 186334), (604, 134506), (617, 131672), (872, 93167), (1208, 67253), (1234, 65836), (2468, 32918), (4936, 16459)]