813888964

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{57107}}^1$

素因数の和:57627

約数の個数: 24

約数和(自身を含む): 1631004480

約数和(自身を除く): 817115516

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 2036, 3563, 7126, 14252, 57107, 114214, 228428, 399749, 799498, 1598996, 29067463, 58134926, 116269852, 203472241, 406944482, 813888964]

約数ペア:

[(1, 813888964), (2, 406944482), (4, 203472241), (7, 116269852), (14, 58134926), (28, 29067463), (509, 1598996), (1018, 799498), (2036, 399749), (3563, 228428), (7126, 114214), (14252, 57107)]