81980618

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 130014720

約数和(自身を除く): 48034102

約数列:

[1, 2, 43, 59, 86, 107, 118, 151, 214, 302, 2537, 4601, 5074, 6313, 6493, 8909, 9202, 12626, 12986, 16157, 17818, 32314, 271459, 383087, 542918, 694751, 766174, 953263, 1389502, 1906526, 40990309, 81980618]

約数ペア:

[(1, 81980618), (2, 40990309), (43, 1906526), (59, 1389502), (86, 953263), (107, 766174), (118, 694751), (151, 542918), (214, 383087), (302, 271459), (2537, 32314), (4601, 17818), (5074, 16157), (6313, 12986), (6493, 12626), (8909, 9202)]