278966454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67481}}^1$

素因数の和:67552

約数の個数: 32

約数和(自身を含む): 612196704

約数和(自身を除く): 333230250

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 67481, 134962, 202443, 404886, 877253, 1754506, 2631759, 3576493, 5263518, 7152986, 10729479, 21458958, 46494409, 92988818, 139483227, 278966454]

約数ペア:

[(1, 278966454), (2, 139483227), (3, 92988818), (6, 46494409), (13, 21458958), (26, 10729479), (39, 7152986), (53, 5263518), (78, 3576493), (106, 2631759), (159, 1754506), (318, 877253), (689, 404886), (1378, 202443), (2067, 134962), (4134, 67481)]