31389012

素因数分解:

$2^2\times 3^3\times {\mathrm{509}}^1\times {\mathrm{571}}^1$

素因数の和:1093

約数の個数: 48

約数和(自身を含む): 81681600

約数和(自身を除く): 50292588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 509, 571, 1018, 1142, 1527, 1713, 2036, 2284, 3054, 3426, 4581, 5139, 6108, 6852, 9162, 10278, 13743, 15417, 18324, 20556, 27486, 30834, 54972, 61668, 290639, 581278, 871917, 1162556, 1743834, 2615751, 3487668, 5231502, 7847253, 10463004, 15694506, 31389012]

約数ペア:

[(1, 31389012), (2, 15694506), (3, 10463004), (4, 7847253), (6, 5231502), (9, 3487668), (12, 2615751), (18, 1743834), (27, 1162556), (36, 871917), (54, 581278), (108, 290639), (509, 61668), (571, 54972), (1018, 30834), (1142, 27486), (1527, 20556), (1713, 18324), (2036, 15417), (2284, 13743), (3054, 10278), (3426, 9162), (4581, 6852), (5139, 6108)]