263480984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{37813}}^1$

素因数の和:37899

約数の個数: 32

約数和(自身を含む): 539983920

約数和(自身を除く): 276502936

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 37813, 75626, 151252, 302504, 491569, 983138, 1966276, 2533471, 3932552, 5066942, 10133884, 20267768, 32935123, 65870246, 131740492, 263480984]

約数ペア:

[(1, 263480984), (2, 131740492), (4, 65870246), (8, 32935123), (13, 20267768), (26, 10133884), (52, 5066942), (67, 3932552), (104, 2533471), (134, 1966276), (268, 983138), (536, 491569), (871, 302504), (1742, 151252), (3484, 75626), (6968, 37813)]