27497990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 54785808

約数和(自身を除く): 27287818

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 307, 338, 530, 614, 689, 845, 1378, 1535, 1690, 3070, 3445, 3991, 6890, 7982, 8957, 16271, 17914, 19955, 32542, 39910, 44785, 51883, 81355, 89570, 103766, 162710, 211523, 259415, 423046, 518830, 1057615, 2115230, 2749799, 5499598, 13748995, 27497990]

約数ペア:

[(1, 27497990), (2, 13748995), (5, 5499598), (10, 2749799), (13, 2115230), (26, 1057615), (53, 518830), (65, 423046), (106, 259415), (130, 211523), (169, 162710), (265, 103766), (307, 89570), (338, 81355), (530, 51883), (614, 44785), (689, 39910), (845, 32542), (1378, 19955), (1535, 17914), (1690, 16271), (3070, 8957), (3445, 7982), (3991, 6890)]