28720121470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1076063}}^1$

素因数の和:1076244

約数の個数: 32

約数和(自身を含む): 55085868288

約数和(自身を除く): 26365746818

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 1570, 2669, 5338, 13345, 26690, 1076063, 2152126, 5380315, 10760630, 18293071, 36586142, 91465355, 168941891, 182930710, 337883782, 844709455, 1689418910, 2872012147, 5744024294, 14360060735, 28720121470]

約数ペア:

[(1, 28720121470), (2, 14360060735), (5, 5744024294), (10, 2872012147), (17, 1689418910), (34, 844709455), (85, 337883782), (157, 182930710), (170, 168941891), (314, 91465355), (785, 36586142), (1570, 18293071), (2669, 10760630), (5338, 5380315), (13345, 2152126), (26690, 1076063)]