31502776

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 60652800

約数和(自身を除く): 29150024

約数列:

[1, 2, 4, 8, 53, 106, 191, 212, 382, 389, 424, 764, 778, 1528, 1556, 3112, 10123, 20246, 20617, 40492, 41234, 74299, 80984, 82468, 148598, 164936, 297196, 594392, 3937847, 7875694, 15751388, 31502776]

約数ペア:

[(1, 31502776), (2, 15751388), (4, 7875694), (8, 3937847), (53, 594392), (106, 297196), (191, 164936), (212, 148598), (382, 82468), (389, 80984), (424, 74299), (764, 41234), (778, 40492), (1528, 20617), (1556, 20246), (3112, 10123)]